12*125*0.25*8
答案:6 悬赏:50 手机版
解决时间 2021-03-16 05:59
- 提问者网友:自食苦果
- 2021-03-15 10:06
12*125*0.25*8
最佳答案
- 五星知识达人网友:一把行者刀
- 2021-03-15 11:13
12*125*0.25*8
解:采用拆分法和结合律,
原式=(125x8)x(3x4x0.25)
=1000x3x1
=3000
解:采用拆分法和结合律,
原式=(125x8)x(3x4x0.25)
=1000x3x1
=3000
全部回答
- 1楼网友:爱难随人意
- 2021-03-15 15:32
12*125*0.25*8 //: 多记一些特殊数的乘积结果:125x8=1000,0.125x8=1,. . .
= 3x(4x0.25)x(125x8 ) //: 0.3125x16 = 5, . . . . 对简算非常有用!
= 3000
- 2楼网友:青尢
- 2021-03-15 14:15
12*125*0.25*8
=125*8*3*4*0.25
=1000*3*1
=3000
=125*8*3*4*0.25
=1000*3*1
=3000
- 3楼网友:千杯敬自由
- 2021-03-15 14:08
12x125x0.25x8
=(12x0.25)x(8x125)
=(3x4x0.25)x1000
=(3x1)x1000
=3000
=(12x0.25)x(8x125)
=(3x4x0.25)x1000
=(3x1)x1000
=3000
- 4楼网友:患得患失的劫
- 2021-03-15 13:02
12*125*0.25*8
=3(4*0.25)(125*8)
=3*1*1000
=3000
=3(4*0.25)(125*8)
=3*1*1000
=3000
- 5楼网友:从此江山别
- 2021-03-15 12:40
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