8.6x5.7+4.3x4.3x2 巧算就 巧 算 无补充

发布时间:2021-03-16 10:41:03

8.6x5.7+4.3x4.3x2 巧算就 巧 算 无补充

网友回答

8.6x5.7+4.3x4.3x2
=8.6x5.7+4.3x2x4.3
=8.6x5.7+8.6x4.3
=8.6x(5.7+4.3)
=8.6x10
=86
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