题目内容
用简便方法计算.
3.7×4.3+3.7×3.7+3.7
答案:
解析:
解析:
|
3.7×4.3+3.7×3.7+3.7 =3.7×(4.3+3.7+1) =3.7×9 =33.3 |
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题目内容
用简便方法计算.
3.7×4.3+3.7×3.7+3.7
|
3.7×4.3+3.7×3.7+3.7 =3.7×(4.3+3.7+1) =3.7×9 =33.3 |