简算 谢谢大哥大姐们简算 12.5x0.25x0.05x37x6.412.728除以2.5除以32除以0.125796.64x25 34.128除以0.253700除以6.4除以212.5除以0.50.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2

来源:学生作业帮助网 编辑:作业帮 时间:2021/06/13 16:30:33

简算 谢谢大哥大姐们简算 12.5x0.25x0.05x37x6.412.728除以2.5除以32除以0.125796.64x25 34.128除以0.253700除以6.4除以212.5除以0.50.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2
简算 谢谢大哥大姐们
简算 12.5x0.25x0.05x37x6.4
12.728除以2.5除以32除以0.125
796.64x25
34.128除以0.25
3700除以6.4除以212.5除以0.5
0.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2

简算 谢谢大哥大姐们简算 12.5x0.25x0.05x37x6.412.728除以2.5除以32除以0.125796.64x25 34.128除以0.253700除以6.4除以212.5除以0.50.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2
12.5x0.25x0.05x37x6.4
=12.5×0.25×0.05×37×0.4×8×0.2
=12.5×8×0.25×0.4×0.05×0.2×37
=100×0.1×0.01×37
=3.7
12.728除以2.5除以32除以0.125
=12.728÷(2.5×4×8×0.125)
=12.728÷(10×1)
=1.2728
796.64x25
=199.16×4×25
=199.16×100
=19916
34.128除以0.25
=34.128÷1/4
=34.128×4
=136.512
3700除以6.4除以212.5除以0.5
=3700÷(0.8×4×212.5×2×0.5)
=3700÷(0.8×850×1)
=3700÷680
=370/68
=185/34
0.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2
=0.01×(1+2+3+4+5+6+...20)
=0.01×(1+20)×20÷2
=0.01×21×10
=2.1

你偷懒。这种机械式题目的我们是不会帮的。你可以做。会做。只是你狠懒.