(87.5+87.5ⅹ3)ⅹ2.5简算
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解决时间 2021-02-04 02:06
- 提问者网友:活着好累
- 2021-02-03 14:01
(87.5+87.5ⅹ3)ⅹ2.5简算
最佳答案
- 五星知识达人网友:患得患失的劫
- 2021-02-03 15:31
(87.5+87.5ⅹ3)ⅹ2.5
=[87.5×(1+3)]×2.5
=87.5×4×2.5
=87.5×(4×2.5)
=87.5×10
=875
=[87.5×(1+3)]×2.5
=87.5×4×2.5
=87.5×(4×2.5)
=87.5×10
=875
全部回答
- 1楼网友:拾荒鲤
- 2021-02-03 16:48
(87.5+87.5ⅹ3)ⅹ2.5
=[(1+3)x87.5]x2.5
=(4x87.5)x2.5
=4x2.5x87.5
=10x87.5
=875
=[(1+3)x87.5]x2.5
=(4x87.5)x2.5
=4x2.5x87.5
=10x87.5
=875
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