63×0.8+2×6.3简便运算?
2个回答
2022-06-26
展开全部
可以简便步骤分解为以下算式:
=6.3 x 10 x 0.8 + 2 x 6.3
=6.3 x 8 + 2 x 6.3
=6.3 x (8 + 2)
=6.3 x 10
=63
=6.3 x 10 x 0.8 + 2 x 6.3
=6.3 x 8 + 2 x 6.3
=6.3 x (8 + 2)
=6.3 x 10
=63
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