二年級數學(上)計算題專項練習18+68=34+14=28+53=48+7=40+54=27+53=20+21=17+29=94+4=31+19=37+30=14+19=17+35=51+46=38+32=37+60=20+30=9+91=49+16=8+42=36+37=14+40=15+51=20+5=72+14=25+44=88+5=22+10=52+7=42+34=16+4=24+49=2+14=55+43=9+63=53+20=56+13=39+11=3+80=30+21=31+53=4+4=27+71=5+39=78+4=34+16=16+48=6+22=31+69=8+46=61-48=31-17=81-33=88-53=76-18=99-60=57-23=49-32=46-20=80-71=76-67=89-70=80-55=84-67=20-5=57-41=88-55=67-3=74-56=96-23=98-14=87-27=44-31=31-27=75-12=38-13=98-24=87-40=26-21=86-37=44-5=36-21=86-66=98-34=87-54=65-63=98-76=65-32=20-2=77-47=90-80=96-48=98-47=14-5=56-27=74-62=41-6=97-11=28-10=46-14=9×6=2×9=6×2=2×4=5×8=5×4=8×7=2×7=5×7=3×7=8×8=4×9=9×5=3×8=8×3=5×5=2×8=7×3=7×8=4×6=47+2+19=9+68+23=16+41+34=9+14+26=15+32+49=38+7+17=11+50+5=18+38+2=55+16+13=12+52+28=22+4+6=10+63+3=27+13+55=18+29+27=2+16+32=5+11+13=28+15+26=15+30+10=2+59+19=33+6+52=43+29+23=51+28+2=21+22+57=16+31+6=15+42+15=30+16+7=11+75+12=12+15+20=15+59+20=23+22+52=34+31+11=32+2+45=8+46+20=22+13+59=61+23+15=32+27+39=3+85+2=8+7+60=21+20+22=19+11+40=18+32+27=27+14+4=29+10+3=20+51+17=33+34+17=18+43+32=45+32+12=25+18+56=41+38+2=7+26+57=6+90-50=37+46-38=66+24-36=13+66-10=31+13-2=4+88-16=12+14-4=36+29-2=15+31-28=70+3-2=33+33-45=20+8-6=48+16-11=10+53-52=5+82-21=70+14-59=40+8-23=28+44-5=35+29-43=16+76-70=12+79-86=7+25-6=41+58-58=49+11-2=17+63-60=22+47-45=53+47-19=32+55-6=11+3-11=85+6-14=62+13-55=2+55-25=6+13-10=29+46-50=70+8-39=20+18-27=36+45-48=7+74-6=8+37-9=63+30-92=38+9-20=42+47-45=36+25-56=14+34-10=48+35-25=14+65-30=44+47-20=38+14-48=62+23-78=44+25-14=76-10-8=90-17-27=63-36-20=97-8-4=56-12-17=88-67-4=80-52-19=71-28-20=54-16-13=49-11-31=56-2-17=82-38-6=95-9-86=51-6-11=59-3-49=52-30-22=85-6-15=94-20-68=62-26-35=62-16-31=57-50-3=82-31-50=46-2-27=34-19-14=98-53-22=96-29-13=98-18-40=94-4-30=61-12-14=94-20-21=85-22-41=57-22-21=94-81-9=39-23-10=14-7-7=40-34-6=98-21-19=89-52-4=27-17-3=35-7-19=90-56-19=47-25-5=68-34-15=91-59-7=99-48-32=97-31-56=89-7-79=62-12-5=67-37-8=68-19-8=82-58+68=76-53+25=61-50+50=46-17+68=47-27+70=23-13+62=6-6+73=71-29+39=54-47+25=84-81+68=25-18+89=57-29+33=24-18+91=55-5+42=69-45+69=80-55+30=77-46+36=82-77+77=86-37+39=32-2+54=75-72+32=80-78+97=54-7+44=41-29+43=34-2+30=52-16+49=96-67+38=52-39+70=41-39+83=37-29+75=24-11+25=84-63+65=65-42+72=68-22+29=61-33+57=74-56+41=96-64+46=32-24+47=98-92+44=78-60+12=51-26+30=39-19+19=79-31+27=85-68+57=52-15+56=27-4+37=56-24+57=57-49+28=10-6+65=82-7+2=15+(90-40)=12+(35-14)=67+(41-37)=67+(75-69)=14+(61-12)=17+(43-35)=40+(36-9)=15+(37-27)=9+(31-3)=13+(49-47)=30+(68-43)=38+(60-41)=49+(85-35)=57+(73-71)=26+(66-54)=48+(59-7)=4+(35-33)=11+(45-41)=41+(68-21)=30+(19-8)=40+(90-70)=62+(33-28)=37+(79-39)=24+(87-66)=65+(70-37)=59+(61-44)=22+(75-37)=43+(66-9)=67+(47-22)=14+(84-28)=76+(75-53)=3+(83-44)=18+(52-2)=46+(57-56)=17+(73-33)=78+(35-27)=65+(19-14)=79+(53-42)=18+(98-65)=37+(61-12)=37+(68-46)=47+(70-50)=43+(92-80)=21+(19-4)=63+(52-39)=69+(36-30)=8+(32-14)=15+(39-26)=36+(97-67)=57+(72-51)=93-(39+17)=84-(39+42)=92-(54+22)=86-(60+17)=80-(42+22)=79-(19+53)=99-(75+23)=90-(30+45)=81-(2+74)=80-(34+24)=54-(2+22)=72-(5+35)=91-(25+34)=78-(14+25)=75-(20+40)=67-(9+12)=75-(64+5)=79-(61+4)=88-(17+19)=74-(39+33)=77-(23+24)=89-(70+6)=53-(9+4)=37-(16+11)=68-(34+27)=93-(10+11)=90-(48+31)=80-(9+2)=89-(25+41)=71-(55+13)=78-(5+20)=40-(23+12)=77-(11+27)=22-(9+2)=83-(68+12)=94-(64+7)=52-(18+15)=74-(6+49)=91-(29+57)=42-(9+30)=34-(7+20)=91-(31+57)=67-(38+21)=56-(32+20)=96-(6+11)=91-(21+18)=92-(24+62)=72-(10+30)=80-(30+41)=83-(61+8)=60-(69-11)=63-(63-34)=42-(97-68)=41-(51-47)=87-(53-17)=74-(67-55)=91-(78-67)=42-(34-33)=16-(70-54)=36-(62-41)=96-(28-16)=26-(80-59)=31-(93-62)=37-(76-52)=16-(86-80)=66-(36-14)=71-(99-35)=71-(62-57)=19-(36-31)=65-(88-35)=93-(76-14)=55-(70-23)=97-(72-46)=73-(57-18)=81-(93-43)=79-(62-36)=76-(48-30)=91-(35-27)=98-(23-20)=92-(38-2)=54-(78-69)=83-(57-12)=75-(97-83)=85-(23-16)=23-(58-44)=31-(42-29)=69-(31-25)=67-(79-23)=39-(57-41)=48-(94-93)=27-(78-56)=99-(32-6)=92-(84-28)=76-(19-2)=31-(72-49)=59-(98-62)=99-(95-77)=94-(87-57)=90-(67-38)=71-(58-50)=35+9×7=40+4×4=50+4×2=71+3×6=21+3×9=36+8×4=24+5×6=24+5×9=57+3×6=57+5×8=66+7×3=13+2×7=12+2×6=63+5×4=38+4×5=66+2×8=18+3×3=82+2×8=23+2×7=3+5×2=70+3×3=45+5×2=7+3×9=5+3×8=29+3×8=8×4+39=4×3+72=4×8+3=7×9+13=6×9+30=7×8+2=6×3+28=7×7+27=3×4+14=6×2+41=5×2+47=6×2+6=9×2+78=6×2+46=5×5+2=4×7+72=6×5+21=3×2+81=7×4+70=3×9+23=5×8+13=4×3+35=7×7+5=6×3+50=7×2+85=40-3×7=39-8×4=64-6×9=12-2×6=25-2×4=25-2×5=68-6×2=52-6×4=15-5×2=76-2×2=56-3×3=75-5×9=39-4×4=89-4×5=82-6×9=41-5×4=57-4×7=89-8×3=95-5×9=44-6×7=6×6-26=8×9-10=7×7-32=2×9-17=6×2-5=5×9-30=7×8-1=7×6-35=7×8-2=7×9-37=6×6-4=5×6-24=9×4-18=4×7-1