3.17乘2.58加3.17乘7.42简便运算
问题描述:
3.17乘2.58加3.17乘7.42
简便运算
答
3.17×2.58+3.17×7.42
=3.17×(2.58+7.42)
=3.17×10
=31.7
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答
3.17*2.58+3.17*7.42
=3.17*(2.58+7.42)
=3.17*10
=31.7
答
3.17×2.58+3.17×7.42
=3.17×(2.58+7.42)
=3.17×10
=31.7