发布网友 发布时间:2024-10-23 22:59
共4个回答
热心网友 时间:2024-10-31 20:48
0.65×3.6-6.5×0.26
=0.65x10x0.36-6.5x0.26
=6.5x0.36-6.5x0.26
=6.5x(0.36-0.26)
=6.5x0.1
=0.65
热心网友 时间:2024-10-31 20:47
0.65x3.6-6.5x0.26=0.65x3.6-0.65x2.6=0.65(3.6-2.6)=0.65x1=0.65
热心网友 时间:2024-10-31 20:52
0.65×3.6-6.5×0.26=0.65×3.6-0.65×2.6=0.65×(3.6-2.6)=0.65×1=0.65
热心网友 时间:2024-10-31 20:51
因为0.65×3.6=6.5×0.36,所以原式等于6.5×0.36-6.5×0.26运用乘法分配律逆运算就是有6.5×(0.36-0.26)=0.65