人教版小学数学二年级上册数学口算题.pdf

24+4=7+63=9x4=36+6=9x7=56+8=28+6=7x5=36+4=30+5=63+9=64+8=38+16=45+5=7X=25+23=12+35=27+71=46+33=40-?8=1121+15=36+22=59+18=72+24=41-29=449=72+16=43+32=35-8=56+7=8x2=7+56=56，=124-6=4x2=21-7=7x3=8+8=32+4=80-9=i42K=356=28+7=21+3=6+4=184-2=63+7=9x6=9x9=46+10=65+40=81+9=55-20=9+46=9?3=9+9=58+32=8028=33+60=54+6=140-8=61 13=15+5=9x3=42-15=18+9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7=73+16=60+300=104-5=83-29=5x6=43-17=121+27=32+8=30+6=36+4=64+8=5 7 =15+3=16+8=42+6=400+50=38+26=93-8=49+7=6x9=56-30=35+5=27+25=274-9=53+8=4x9=18+2=32+8=8X=9x9=84+7=80-44=1800-900=420+80=500-60=89-8=64-8=34+9=14+7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=1143-30=9X=7+7=96-42=58-36=5x7=72+9=36+6=81+9=42+13=24+3=24+8=27-3=42+13=42-6=7+44=42+7=64-8=21+3=4x8=154+9=49+7=42+7=35+7=19+41=130+80=46-8=8x5 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3-3 5=4444=3 2-2 3=4 0-2 8=4 3-2 6=37 21=4617=6 5-4 7=7447=8 1-1 3=6 5-3 2=7 2-6 7=6 5-1 9=7 7-1 9=5 5-2 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