最新二年级数学暑假口算训练题
24÷4=7+63=9×4=36÷6=9×7=
56÷8=28+6=7×5=36+4=30÷5=
63÷9=64÷8=38+16=45÷5=7÷1=
25+23=12+35=27+71=46+33=40÷8=
862+78=184-98=170+60=520-80=820+80=
