题目内容
直接写得数
(1)63-7= (2)81÷9= (3)9×7= (4)72÷8=
答案:56;9;63;9
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直接写得数
1.6×12.5= | = | = | 3.9×10%= | = |
= | = | = | = | 25÷25%= |
题目内容
直接写得数
(1)63-7= (2)81÷9= (3)9×7= (4)72÷8=
1.6×12.5= | = | = | 3.9×10%= | = |
= | = | = | = | 25÷25%= |