巧算7.25x7.25x97+7.25x2
答案:1 悬赏:80 手机版
解决时间 2021-01-27 16:35
- 提问者网友:城市野鹿
- 2021-01-27 05:47
巧算7.25x7.25x97+7.25x2
最佳答案
- 五星知识达人网友:蕴藏春秋
- 2021-01-27 07:07
7.25×97
=7.25×(4×24+1)
=7.25×4×24+7.25×1
=29×24+7.25
=696+7.25
=703.25
7.25×7.25×97+7.25×2
=7.25×(7.25×97+2)
=7.25×(703.25+2)
=7.25×705.25
=5113.0625
=7.25×(4×24+1)
=7.25×4×24+7.25×1
=29×24+7.25
=696+7.25
=703.25
7.25×7.25×97+7.25×2
=7.25×(7.25×97+2)
=7.25×(703.25+2)
=7.25×705.25
=5113.0625
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