75x56X28简便运算
答案:5 悬赏:0 手机版
解决时间 2021-02-17 11:05
- 提问者网友:斑駁影
- 2021-02-16 21:02
75x56X28简便运算
最佳答案
- 五星知识达人网友:舍身薄凉客
- 2021-02-16 21:56
=75×8×7×7×4
=(75×4)×8×(7×7)
=300×8×49
=2400×(50-1)
=2400×50-2400×1
=120000-2400
=117600
=(75×4)×8×(7×7)
=300×8×49
=2400×(50-1)
=2400×50-2400×1
=120000-2400
=117600
全部回答
- 1楼网友:野慌
- 2021-02-17 02:42
25*3*7*8*4*7
- 2楼网友:过活
- 2021-02-17 01:06
(25+28)X3=158追答(25+28)X3=159全部错了哈
- 3楼网友:独钓一江月
- 2021-02-17 00:38
75x56X28
=75x8x7x28
=600x7x28
=117600
=75x8x7x28
=600x7x28
=117600
- 4楼网友:煞尾
- 2021-02-16 23:14
=25x3x8x7x7x4
=25x4x4x6x49
=100x6x196
=600x(200-4)
=120000-2400
=117600
=25x4x4x6x49
=100x6x196
=600x(200-4)
=120000-2400
=117600
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