发布网友 发布时间:2024-10-24 00:30
共1个回答
热心网友 时间:2024-11-09 12:01
7.3×10.2-0.73-0.72的简便运算过程如下:
7.3×10.2-0.73-0.72
=0.73×1.02-0.73-0.72
=0.73×(1.02-1)-0.72
=0.73×0.02-0.72
=0.0146-0.72
=-0.7054
怀疑你题目中有一个符号错了,应该是这样子的:
7.3×10.2-0.73×0.72
=0.73×1.02-0.73×0.72
=0.73×(1.02-0.72)
=0.73×0.3
=0.219