小学二年级数学四则运算混合口算练习(9)
奥数网
2016-09-27 14:42:12
6×3+30=
8+7+30=
4×2×5=
56-27÷3=
42÷7÷2=
2×3×6=
2×9÷3=
16÷8×7=
6×3+30=
8+7+30=
4×2×5=
56-27÷3=
42÷7÷2=
2×3×6=
2×9÷3=
16÷8×7=