Question

3.26×3.7-0.326×7的递等式计算怎么写简便运算？

Answer 1

0.326×7转换成春仔3.26×0.7，再提携森升取共项3.26简便计算
3.26×3.7—0.326×7
=3.26×3.7—辩老3.26×0.7
=3.26×（3.7—0.7）提取共项3.26
=3.26×3
=9.78
验算见截图

Answer 2

运用乘法分配律简算闷仿
3.26×3.7-0.326×7
=3.26×3.7-3.26×0.7
=3.26×（耐罩铅3.7-0.7）昌好
=3.26×3
=9.78

Answer 3

解：3.26×3.7-0.326×7

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=3.26×3.7-3.26×0.1×7

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=3.26×（培虚3.7-0.7）册中枝州敏

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=3.26×3

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=9.78

Answer 4

=3.26x3.7-3.26x0.7
=3.26x（3.7-0.7）
=3.26x3
=9.78

Answer 5

3.26×3.7-0.326×7
=3.26×3.7-0.326×10×0.7
=3.26×3.7-3.26×0.7
=3.26×（3.7-0.7）
=3.26×3
=9.78