姓名：_______________

口算練習?加法結合律、交換律

總題數：100題

95+43=()+9584+88=()+8439+78=78+()

18+54=54+()36+62=()+3632+99=99+()

87+55=()+8795+80=()+9572+86=86+()

44+71=()+445+7+2=()+(7+2)3+(6+8)=()+6+8

3+(5+6)=(}+5+66+(7+4)=()+7+49+(3+5)=9+3+()

8+(9+3)=8+()+33+(8+6)=()+8+62+(8+3)=(}+8+3

5+(8+3)=5+()+37+(6+2)=()+6+22+6+7=2+(6+_____)

5+2+6=5+(2+_____)5+3+4=5+(_____+4)8+7+4=8+(_____+4)

2+6+4=2+(_____+4)(7+5)+6=()+(5+6)(6+7)+5=6+(7+_____)

(6+3)+7=6+(_____+7)(2+7)+4=2+(_____+4)()+40=40+71

()+35=35+96()+51=51+72()+(7+4)=9+7+4

()+8+3=2+(8+3)()+3+9=6+(3+9)()+(2+9)=5+2+9

()+9+6=4+(9+6)()+8+5=9+(8+5)()+8+3=9+(8+3)

()+2+5=9+(2+5)(_____+8)+4=5+(8+4)(_____+7)+5=9+(7+5

(_____+5)+7=4+(5+7)8+()=52+89+()=44+9

21+()=49+2146+()=72+4612+()=35+12

32+()=67+3253+()=23+539+()+6=9+(5+6)

4+()+6=4+(9+6)6+7+()=6+(7+2)5+8+()=5+(8+4)

9+4+()=9+(4+2)6+8+()=6+(8+5)2+()+5=2+(6+5)

6+()+2=6+(9+2)7+(_____+2)=7+4+25+(_____+8)=5+6+8

第1頁

姓名：_______________

口算練習?加法結合律、交換律

總題數：100題

9+(6+)=9+6+85+(+7)=5+9+76+(+8)=6+2+8

6+(9+)=6+9+43+(4+)=3+4+82+(+7)=2+8+7

3+(5+)=3+5+2(4+5)+()=4+(5+6)(2+7)+()=2+(7+3)

(2+4)+()=2+(4+6)3+41O41+33+93O93+3

20+3O3+2096+26O26+9659+64O64+59

74+95O95+7473+20O20+7392+66O66+92

37+47G47+3777+70O70+773+6+7O3+(6+7)

3+(4+9)O3+4+96+8+706+(8+7)4+8+6O4+(8+6)

9+(3+6)09+3+64+(9+8)O4+9+87+2+307+(2+3)

7+9+807+(9+8)9+8+709+(8+7)6+9+506+(9+5)

(7+9)+8Q7+(9+8)(8+9)+308+(9+3)(4+9)+7。4+(9+7)

(9+6)+2O9+(6+2)(9+2)+709+(2+7)(9+7)+609+(7+6)

(9+6)+5O9+(6+5)(9+3)+409+6+4)(7+4)+507+(4+5)

(8+3)+9O8+(3+9)

第2頁

姓名：________________

口算練習?加法簡便計算

總題數：100題

3+8+7=56+8+2=7+9+63=6+58+4=

8+45+5=8+4+42=8+63+7=76+8+12=

3+79+17=9+24+61=3+48+42=18+43+2=

18+74+6=6+69+24二8+26+64=2+19+21=

9+15+75=59+14+6=3+79+17=9+48+22=

36+9+54=7+18+43=18+3+27=36+35+5=

16+5+45=17+49+3=17+6+34=130-91-9=

17+38+32=18+24+42=18+24+16=33+49+17=

25+26+35=39+33+27=67+19+11=23+48+27=

16+15+44=19+28+11=54+29+16=18+47+22=

69+15+15=123-33-67=140-56-44=107-31-69=

112-71-29=140-85-15=110-36-64=139-85-15=

129-87-13=137-67-33=90+4+10+6=90+35+10+5=

30+70+36+4=55+20+80+5=80+5+20+35=50+33+50+7=

21+9+50+50二80+20+72+8=80+6+20+74=40+15+60+5=

60+2+40+88二74+30+6+70=50+6+50+54二48+40+60+12=

20+80+52+18=59+11+10+90=33+50+27+50=10+24+90+46=

30+39+51+70二48+70+32+30二19+20+41+80=38+80+12+20=

50+14+36+50=64+70+16+30=60+29+11+40=29+50+31+50=

12+70+58+30=13+57+80+20=50+50+25+45=90+29+10+61=

第1頁

姓名：_______________

口算練習?加法簡便計算

總題數：100題

28+80+20+62=60+15+40+55=80+24+36+20=30+72+18+70=

50+50+53+17=23+17+80+20=51+80+20+29=58+22+40+60=

42+10+90+18=29+10+61+90=116-40-40-20=129-45-45-10=

124-35-15-50=107-45-25-30=113-30-40-30=135-40-40-20=

118-30-20-50=105-35-15-50=117-25-45-30=104-15-45-40=

第2頁

姓名：_______________

口算練習?乘法結合律、交換律

總題數：100題

5x2x58=37x25x4=

5x316x2=5x2x962=

199x5x2=25x81x4=

5x2x187=25x974x4=

211x25x4=25x161x4=

25x4x345=25x4x682=

25x124x4=431x25x4=

125x192x8=812x125x8=

125x985x8=125x8x253=

995x125x8=673x125x8=

85x9=9x()7x41=41x()

99x92=()x9923x89=()x23

99x28=28x()13x46=()x13

69x75=75x()50x24=()x50

20x50=()x2061x29=()x61

36x27=()x3618x38=()x18

19x20=20x()54x99=()x54

68x73=73x()59x33=33x()

97x22=22x()75x87=()x75

86x77=()x8612x20=()x12

第1頁

姓名：_______________

口算練習?乘法結合律、交換律

總題數：100題

(84x5)x2=()x(5x2)(56x5)x2=56x(5x)

(94x2)x5=94x(x5)(88x2)x5=88x(2x)

(13x2)x5=13x(2x)(33x5)x2=33x(x2)

(92x5)x2=92x(x2)(94x4)x25=()x(4x25)

(88x25)x4=88x(25x)(42x25)x4=42x(25x)

()x6=6x36()x8=8x97

()x24=24x16()x55=55x96

()x85=85x86(x5)x2=75x(5x2)

(x5)x2=59x(5x2)(x5)x2=62x(5x2)

(x4)x25=91x(4x25)(x125)x8=75x(125x8)

40x()=68x4090x()=64x90

16x()=40xl691x()=32x91

33x()=41x33(39x2)x()=39x(2x5)

(35x)x2=35x(5x2)(53x)x5=53x(2x5)

(86x25)x()=86x(25x4)(41x)x25=41x(4x25)

9x36C36x912x38038x12

23x13C13x2368x78078x68

10x73C73x1026x80080x26

88x53C53x8827x83083x27

70x47C47X7065x93093x65

第2頁

姓名：_______________

口算練習?乘法結合律、交換律

總題數：100題

(65x5)x2065x(5x2)(37x2)x5037x(2x5)

(82x2)x5082x(2x5)(36x5)x2036x(5x2)

(88x5)x2088x(5x2)(63x2)x5O63x(2x5)

(54x2)x5054x(2x5)(94x5)x2094x(5x2)

(33X2)X5033x(2x5)(89x2)x5089x(2x5)

(59x5)x2059x(5x2)(78x25)x4078x(25x4)

(12x4)x25012x(4x25)(76x4)x25076x(4x25)

(83x4)x25083x(4x25)(21x4)x25021x(4x25)

(96x25)x4096x(25x4)(51x125)x8051x(125x8)

(25x125)x8025x(125x8)(28x8)x125028x(8x125)

第3頁

姓名：_______________

口算練習?乘法分配律

總題數：100題

1x17+9x17=9x74+1x74=

6x75+94x75=1x81+99x81=

4x72+96x72=1x37+99x37=

99x46+1x46=22x31+78x31=

15x68+85x68=17x92+83x92=

50x66+50x66=23x61+77x61=

23x24+77x24=66x35+34x35=

32x52+68x52=35x21+65x21=

68x36+32x36=49x86+51x86=

75x34+25x34=13x71+87x71=

6x254-6x75=6x()7x87+3x87=()x87

53x4+53x6=()x1058x7+58x3=58x()

7x76+3x76=10x()95x8+95x2=95x()

7x98+3x98=10x()2x66+8x66=()x66

43x2+43x8=43x()12x8+12x2=12x()

47x7+47x3=47x()4x31+6x31=10x()

97x2+97x8=97x()77x3+77x7=77x()

58x7+58x3=58x()4x79+6x79=()x79

62x2+62x8=62x()8x76+2x76=()x76

53x2+53x8=53x()(6+2)x5=6x5+()x5

第1頁

姓名：_______________

口算練習-乘法分配律

總題數：100題

5x(6+2)=5x6+5x()5x(2+4)=5x2+()x4

48x25=40x()+8x2525x41=25x()+25xl

25x14=25x10+()x446x25=()x25+6x25

3x43+3x57=()x1004x(2+25)=4x2+4x()

4x(25+8)=4x()+4x8(6+25)x4=6x4+()x4

(2+25)x4=2x4+()x44x(6+25)=4x6+4x()

101x19=()xl9+lxl994x25=90x25+()x25

27x8+27x2=()x(8+2)4x(25+4)=()x25+4x4

15x8+15x2=()x(8+2)98x6+98x4=()x(6+4)

56x4+56x6=()x(4+6)56x6+56x4=()x(6+4)

13x4+13x6=()x(4+6)45x3+45x7=()x(3+7)

(5+4)x25=5x25+4x()89x125=80x()+9xl25

125x48=125x40+()x883x125=80x()+3xl25

99x2+99x8=99x(2+)55x4+55x6=55x(4+)

4X64+4X36=4X(+36)56x8+56x2=56x(8+)

56x6+56x4=56x(+4)54x4+54x6=54x(+6)

75x8+75x2=75x(8+)125x84=125x()+125x4

68x8+68x2=68x(+2)41x8+41x2=41x(+2)

3x21+3x79=3x(+79)9xl3+9x87=9x(+87)

67x2+67x8=67x(+8)7x64+7x36=7x(+36)

第2頁

姓名：_________________

口算練習-乘法簡便計算

總題數：100題

8x25x4=25x9x4二5x71x2=2x68x5=

2x17x5二3x25x4=81x2x5=3x4x25=

18x2x5=5x91x2=2x52x5=5x71x2=

25x6x4=6x25x4=92x2x5=49x2x5=

7x4x25=7x25x4=4x8x25=9x25x4=

9x85+85=9x78+78=9x87+87=9x55+55=

87+9x87=35+35x9=16+16x9=61x9+61=

29x9+29二85+85x9二6x8x125=125x7x8=

680+2+5=810-2-5=8x3x125=9x125x8=

7x125x8=125x2x8=340-5-2=8x6x125=

480-2-5=3x125x8=8x2x125=370-2-5=

8x4x125=420+2+5=740+2+5=430?2:5=

64052二540-2-5=99x63+63=27x99+27=

15x99+15=49+49x99二22x99+22=16+99x16=

32+32x99=41+41x99=99x49+49=66+66x99=

8700+25?4=9900:25?4=1300-4-25=7800-25-4=

7600-25-4=8400-25-4=8200-25-4=8100-25-4=

9700+25?4=3500+4+25=2000^8^125=7000+125+8=

2000?125:8二3000-125^8=5000^8^125=6000^8^125=

9000^8-125=5000?125?8二6000:125?8二7000^8-125=

第1頁

姓名：_______________

口算練習?乘法簡便計算

總題數：100題

12x67-2x67=15x62-62x5=12x94-2x94=32x13-3x32=

99x12-99x2=13x82-3x82=16x31-6x31=15x66-66x5=

21x12-2x21=54x16-54x6=15x72-5x72=71x16-6x71=

19x27-9x27=72x12-72x2=13x26-26x3=19x99-99x9=

18x33-8x33=19x57-9x57=19x57-57x9=15x37-37x5=

第2頁

姓名：_______________

口算練習?單元綜合練習

總題數：100題

8+9+11=67+29+3=

5+27+35=59+3+31=

45+8+25=47+4+46=

57+15+3=24x2x5=

2x11x5=56x2x5=

5x48x2=8x4x25=

16x5x2=25x3x4=

6x25x4=2x91x5=

52+52x9=18x9+18=

26+9x26=41+41x9=

9x25+25=16+9x16=

155-95-5=15+16+55=

34+27+36=17+29+41=

740+5+2=870?2+5=

240+2+5=2x125x8=

330+2+5=44x99+44二

72+99x72=13+13x99=

25+25x99=152-62-38=

146-56-44=112-36-64=

163-85-15=129-31-69=

第1頁

姓名：_______________

口算練習?單元綜合練習

總題數：100題

121-47-53=139-81-19=

123-30-70=111-14-86=

90+67+10+3=80+20+2+38=

20+80+6+74=30+70+4+66=

9300+25?4=3400^25^4=

5500:4:25二1500:4:25二

4900-25-4=50+55+50+15=

57+30+13+70=51+39+80+20=

21+80+20+69=80+17+23+20=

50+24+50+66二3000-8-125=

18x33-33x8=56x19-56x9=

14x63-4x63=19x28-9x28=

59x15-59x5=76x15-76x5=

15x45-5x45=17x88-7x88=

31x15-5x31=13x82-82x3=

110-30-30-40=132-40-40-20=

109-40-40-20=120-35-15-50=

120-30-10-60=128-40-20-40=

118-30-10-60=113-30-40-30=

108-20-40-40=116-25-35-40=

第2頁

姓名：_______________

口算練習?單元綜合練習

總題數：100題

94+59=()+9453+29=()+53

4+(5+2)=4+5+()(8+7)+9=8+(7+)

(4+5)x25=4x()+5x25(25+8)x4=25x()+8x4

(4+9)x25=4x()+9x2584x125=80x()+4xl25

(4+5)x25=(*25+5x2581x125=()x125+1x125

48x125=40x125+()x125(+8)+4=7+(8+4)

7+()+8=7+(6+8)8+(+9)=8+6+9

7+(+9)=7+2+9(4+)+5=4+(7+5)

49x65C65x4958x67067x58

2+3+802+(3+8)(56x125)x8C56x(125x8)

第3頁

姓名：_______________

口算練習?小數的比較大小

總題數：100題

7.4O7.83.3O4.28.1O7.31.9O1.31.2O2.7

5.7O4.58.9O8.33.3O4.95.1O6.24.5O4.3

3.8O4.43.5O3.63.9O2.91.3O2.35.1O5.9

5.7O5.58.9O7.10.5O1.10.7O1.65.3O4.2

7.4O6.16.5O7.60.8O0.41.7O2.57.3O6.3

5.4O6.64.9O4.28.8O8.37.6O6.17.3O7.9

1.1O2.95.4O5.95.8O5.55.8O5.57.3O7.6

1.4O1.19.3O9.69.4O9.22.4O2.67.7O7.6

9.5O9.5048.9O8.9968.98O8.897.39O7.937.8O7.887

2.69O2.961.25O1.521.13O1315.2O5.2133.68O3.86

9362O9.36.14O6.413.24O3.424.47O4.743.5O3.583

2.3O2.3395.65O5.568.34O8.438.48O8.846.823O6.8

8.34O8.433.9O3.937532O5.237.53O7.354.23O4.32

9.64O9.466.32O6.238.79O8.974.8O4.8565.29O5.92

5.269O5.274.92O4.2954.32O4.3373.825O3.879.71O9.175

9.115O9.127.71O7.1710.934O0.945.73O5.7656.049O6.05

6.772O6.786.99O6.9730.276O0.725.94O5.4961.14O1.135

6.471O6.466.71O6.7758.71O8.7212.267O2.222.981O2.89

4.43O4.4231.205O1.265.269O5.278.74O8.4789.12O9.117

4.172O4.181.54O1.4553.345O3.437.56O7.5086.24O6.425

第1頁

姓名：________________

口算練習-小數點位置移動引起小數大小的變化

總題數：100題

635?10=49-100=801-10=887-10=

524?10=42-100=511-10=49?100=

465?10=25?100=357-10=879:10=

737-10=64-100=523-10=47.5-10=

28.2x10=4.93x10=97.3x10=29.2x10=

42.9x10=2.75x10=31.9-10二76.7x10=

52.6x10=55.3+10=69.7-10=19.9-10=

23.8-10=86.4-10=84.2-10=75.7x10=

6.04x10=14.4x10=57.9+10=6.95x10=

4.06x10=99.5x10=5.88x10=86.4-10=

125-100=589?100=957-100=555-100=

72-1000=283?100=569-100=730:100=

333?100=585:100=6284-100=190:100二

785+100=931?100=692-100=835-100=

0.671x10=0.748x10=0.158x10=7.3x1000=

2.53x100=6.5x1000=9.84x100=3.85x100=

0.932x10=4.24x100=0.302x10=8.41x100=

900?1000二265-1000=630?1000二549-1000=

301^1000=553?1000二845-1000=122-1000=

198?1000=0.935x100=5.22x1000=5.35x1000=

第1頁

姓名：_______________

口算練習-小數點位置移動引起小數大小的變化

總題數：100題

0.127x100=0.951x100=0.16x1000=6.28x1000=

0.663x100=9.21x1000=0.987x100=0.292x1000=

0.712x1000=0.935x1000=0.405x10000=0.851x10000=

0.607x10000=0.351x10000=0.578x10000=0.543x10000=

0.441x10000=0.577x10000=0.867x10000=0.485x10000=

第2頁

姓名：_______________

口算練習-小數的改寫

總題數：100題

2.6t=()1kg5.2t=()kg5.5kg=()g

3.5kg=()g9.9kg=()g3.8kg=()g

33kg二()g6.7kg=()g8.6kg=()g

1.8kg=()g640g=()kg0.48t=()kg

4.96t=()kg0.42t=()kg6.37t=()kg

4t90kg=()t6t30kg=()t85dm=()m

4.96kg二()g5.26kg二()g4.76kg=()g

2.84kg=()g5.83kg=()g7.97kg=()g

4550kg=()t9350kg=()t9120kg=()t

2460kg=()t7490kg=()t1370kg=()t

0.8m=()dm9.4m二()dm4.9m=()dm

5.7m=()dm1840g=()kg6440g=()kg

8030g=()kg5t560kg=()t450cm=()m

490cm=()m820cm=()m9t580kg=()t

430cm=()m547dm=()m294dm=()m

168dm=()m868dm=()m805dm=()m

1.52m=()cm8.27m=()cm1.88km=()m

536km=()m9.85km=()m9.29km=()m

857cm=()dm839cm=()dm899cm=()dm

756cm=()dm123cm=()dm766cm=()dm

第1頁

姓名：________

口算練習-小數的改寫

總題數：100題

916cm=()dm487cm=()dm1260m=()km

9050m=()km8.1m2=()dm23m72cm=()m

4m52cm=()m8m25cm=()m204dm2=()m2

4.85m2=()dm24.27m2=()dm26.72m2=()dm2

195cm2=()dm2281cm2=()dm2880cm2=()dm2

383cm2=()dm28km40m=()km7km50m=()km

1.98dm2=()cm22km470m=()km6.2mO622cm

2.2mO222cm284cmO2.8m998cmO9.9m

285cmI2.8m2.2m0224cm8.1m-816cm

0.551kg0551g648g00.648kg843go0.843kg

0.492kgQ492g0.784kgO784g176cm1.75m

2.89m0288cm7.84m。783cm0.811km811m

726mO0.726km115mO0.115km583mO0.583km

272mOo.272km

第2頁

姓名：_______________

口算練習?單元綜合練習

總題數：100題

81-10=8.5-10=967-10=

735?10=276?10=995-10=

347-10=2.78x10=44.8-10=

58.5x10=6.88x10=0.97x10=

5.2x100=80.2-10=61.5-10=

79-1000=2.06x100=0.512x10=

4.57x100=511-1000=938-1000=

7.68x1000=0.694x100=0.17x1000=

0.935x100=8.94x1000=0.149x1000=

0.224x1000=0.983x1000=0.545x10000=

4.9t=()kg23t=()kg8.8t=()kg

6.6t=()kg6.4kg=()g8t70kg=()t

3t90kg=()t3t80kg=()t3.38kg=()g

4.8m=()dm9150g=()kg2980g=()kg

6040g=()kg5590g=()kg3t370kg=()t

1.5dm=()cm4.5dm=()cm5.91km=()m

6.74km=()m3.88km=()m283cm=()dm

769cm=()dm3090m=()km8540m=()km

1.5m2=()dm2450dm2=()m2103dm2=()m2

3.7dm2=()cm29.75m2=()dm2537m2=()dm2

第1頁

姓名：_______________

口算練習?單元綜合練習

總題數：100題

0.36m2=()dm2318cm2=()dm2850cm2=()dm2

8km90m=()km5km20m=()km5.13dm2=()cm2

9km360m=()km6km460m=()km6km730m=()km

5kml70m=()km7.5O7.27.9O7.4

0.3O0.86.9O6.16.2O6.1

1.2O1.66.5O6.29.3O8.4

2.4O2.73.7O3.28.25O8.52

2.387O2.33.9O3.9147.312O73

0.405O0.48.147O8.19.19O9.194

7.52O7.2581.533O1.516.193O6.14

6980gO6.8kg73m0733cm6.9mO698cm

948gO0.948kg8750mO8.8km0.643kmO643m

0.761kmO761m769mO0.769km479mO0.479km

571mO0.571km

第2頁

姓名：_______________

口算練習?小數的加減法

總題數：100題

29.2-5=79.3-5=7+0.93=3.9+53=86.1+2=

1.8+95=3.87+2=6.8-33=2.9-1.9=0.6-03=

13+4.6=583-3.1=25.9-33=8.82-8.2=69.7-1.2=

26.5-1.3=89.6-0.3=7.67-1.6=58.8-4.5=5.48-0.3=

19.9-9.6=3.95-1.3=55.9-0.2=73.8-1.5=8.57-4.2=

9.77-1.1=27.2-3.1=89.4-5.1=8.62-0.3=25.9-3.3=

55.9-3.2=8.57-4.2=45.8-1.6=55.9-0.5=5.2+0.68=

60.9+8.1=6.2+80.1=1.4+4.25=9.1+0.39=83.7+4.3=

72.8+6.2=60.7+4.2=85.5+1.2=5.2+73.4=13.2+3.4=

7.5+2.18=1.5+93.1=92.1+5.2=93.4+53=93.4+5.3=

1.9+21.1=0.74+1.1=83.4+2.4二6.4+30.4=68.3+0.4=

8.76-8.33=3.73-1.73=0.49-033=837-3.23=1.95-0.73=

3.47-0.31=5.99-0.43=5.98-5.94=8.87-6.47=3.79-2.23二

432-1.22=6.88-5.26=3.73-2.23=8.91-6.91=6.63-4.33=

5.08-5.01=8.37-3.23=7.99-4.85=1.67-0.26=9.85-5.43=

9.99-3.32=6.99-3.56=2.66+3.03=3.41+5.05=0.75+8.02=

7.83+1.03=2.85+7.04=3.13+633=3.11+2.84=2.23+2.73=

2.57+4.21=5.31+432=0.15+7.53=5.53+4.06=0.34+7.64=

2.73+1.05=1.11+3.74=0.02+0.31=4.23+3.02=0.17+2.02=

0.74+2.22=1.62+1.35=5.46+3.51=5.25+2.32=4.13+2.05=

第1頁

姓名：_______________

口算練習?小數加減混合運算

總題數：100題

97-1.1-6=8.5-8-03=6.6-2-33=47-1.5+5=

4.2+21-2=2.5+42-2=41+5.2-8=6.1+21-5=

73+1.6-2=5.2+0.6-3=8.4-61+2=9.5-93+5=

8.6-7.4+6=6.6-3.5+6=47+3.2-3=2.5+03-2=

9.5-93+5=7.9-4.8+6=43+4.6-3=9.5-73+4=

31+5.5-1=3.2+21-4=5.1+21-2=0.5+32+4=

3.8+11+2=1.6+53+3=11+5.6+3=27+5.1+2=

2.5+2+23=31+2+0.8=11+2+3.6=5-(3.5-0.5)=

6.5-(5.5-3)=6.5-(5.5-3);6.2-(5.2-2)=7-(6.1-2.1)=

7-(63-03)=7-(5.5-1.5)=7.5-(9.5-5)=8.6-13-4.1=

5.9-21-1.6=4.8-11-3.4=7.8-1.2-25=3.9-0.5-03=

4.8-03-3.4=8.8-03-1.2=8.9-13-4.4=6.7-3.1-33=

7.8-53-0.5=7.5-31-1.2=2.5-02-2.1=9.8-4.2-22=

7.5-(3.2+4)=6.5-4.1-11=9.8-45-0.2=3.9-(1.7+2)=

6.5-(2.3+4)=8.4-(1.3+7)=8.8-17-4.1=9.9-8.4-11=

5.2+1.4+31=51+1.2+0.4=33+0.2+2.1=5.2+0.5+41=

13+3.5+5.1=1.1+33+2.4=0.2+92+0.2=11+3.4+1.4=

1.4+1.1+23=4.1+4.4+03=2.2+31+3.2=13+2.1+6.1=

9.4-(77-63)=5.2-(8.9-4.7)=3.4-(47-43)=3.5-(6.9-5.4)=

8.1-(4.7-0.6)=9.6-(9.7-8.1)=2.6-(0.9-03)=3.5-(8.6-8.1)=

第1頁

姓名：_______________

口算練習?小數加減混合運算

總題數：100題

2.1-(1.5-1.4)=7.2-(2.3-2.1)=9.2-(5.9-5.7)=5.5-(7.6-3.1)=

5.9-(5.2+0.6)=9.9-(7.1+2.1)=9.9-(2.3+7.5)=9.9-(1.1+8.4)=

4.8-(3.4+1.2)=6.5-(5.1+1.2)=5.8-(3.2+2.3)=2.8-(2.2+0.5)=

9.8-(61+33)=