简便计算89×72-19
答案:3 悬赏:40 手机版
解决时间 2021-01-05 17:34
- 提问者网友：浮克旳回音
- 2021-01-05 07:33
简便计算89×72-19
最佳答案
- 五星知识达人网友：零点过十分
- 2021-01-05 07:59
简便计算89×72-19
89×72-19
=6408-19
=6389
直接计算的
89×72-19
=6408-19
=6389
直接计算的
全部回答
- 1楼网友：长青诗
- 2021-01-05 09:32
89×72-19
=90*72-91
=6480-91
=6389
=90*72-91
=6480-91
=6389
- 2楼网友：孤老序
- 2021-01-05 09:06
简便计算89×72-19
=100x72-11x72-19
=7200-792-19
=7200-（792+8）-11
=7200-800-11
=6400-11
=6389
=100x72-11x72-19
=7200-792-19
=7200-（792+8）-11
=7200-800-11
=6400-11
=6389
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