计算(100+ 15十 17 )x(21 十36+ 11)十(100-21-36-11)x(15
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解决时间 2021-11-14 23:54
- 提问者网友：沉默菋噵
- 2021-11-14 00:07
计算(100+ 15十 17 )x(21 十36+ 11)十(100-21-36-11)x(15
最佳答案
- 五星知识达人网友：迷人又混蛋
- 2021-11-14 01:29
(100+ 15十 17 )x(21 十36+ 11)十(100-21-36-11)x(15+17)
=100x(21+36+11)+(15+17)x(21+36+11)+100x(15+17)-(21+36+11)x(15+17)
=100x68+100x32
=100x(68+32)
=100x100
=10000
=100x(21+36+11)+(15+17)x(21+36+11)+100x(15+17)-(21+36+11)x(15+17)
=100x68+100x32
=100x(68+32)
=100x100
=10000
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