20-(2分之1+3分之1)除以6分之5*1.2 4分之1+5又7分之2*4分之1+3有7分之5除以4能简便的要简便!还有!8.8*1.25*100除以4 9分之4*[4分之3-(16分之7-0.25)] 重赏40分(详细者才有)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 01:57:08
![20-(2分之1+3分之1)除以6分之5*1.2 4分之1+5又7分之2*4分之1+3有7分之5除以4能简便的要简便!还有!8.8*1.25*100除以4 9分之4*[4分之3-(16分之7-0.25)] 重赏40分(详细者才有)](/uploads/image/z/757047-39-7.jpg?t=20-%EF%BC%882%E5%88%86%E4%B9%8B1%2B3%E5%88%86%E4%B9%8B1%EF%BC%89%E9%99%A4%E4%BB%A56%E5%88%86%E4%B9%8B5%2A1.2+4%E5%88%86%E4%B9%8B1%2B5%E5%8F%887%E5%88%86%E4%B9%8B2%2A4%E5%88%86%E4%B9%8B1%2B3%E6%9C%897%E5%88%86%E4%B9%8B5%E9%99%A4%E4%BB%A54%E8%83%BD%E7%AE%80%E4%BE%BF%E7%9A%84%E8%A6%81%E7%AE%80%E4%BE%BF%21%E8%BF%98%E6%9C%89%218.8%2A1.25%2A100%E9%99%A4%E4%BB%A54+9%E5%88%86%E4%B9%8B4%2A%5B4%E5%88%86%E4%B9%8B3-%EF%BC%8816%E5%88%86%E4%B9%8B7-0.25%EF%BC%89%5D+%E9%87%8D%E8%B5%8F40%E5%88%86%EF%BC%88%E8%AF%A6%E7%BB%86%E8%80%85%E6%89%8D%E6%9C%89%EF%BC%89)
20-(2分之1+3分之1)除以6分之5*1.2 4分之1+5又7分之2*4分之1+3有7分之5除以4能简便的要简便!还有!8.8*1.25*100除以4 9分之4*[4分之3-(16分之7-0.25)] 重赏40分(详细者才有)
20-(2分之1+3分之1)除以6分之5*1.2 4分之1+5又7分之2*4分之1+3有7分之5除以4
能简便的要简便!还有!8.8*1.25*100除以4 9分之4*[4分之3-(16分之7-0.25)] 重赏40分(详细者才有)
20-(2分之1+3分之1)除以6分之5*1.2 4分之1+5又7分之2*4分之1+3有7分之5除以4能简便的要简便!还有!8.8*1.25*100除以4 9分之4*[4分之3-(16分之7-0.25)] 重赏40分(详细者才有)
20-(2分之1+3分之1)除以6分之5*1.2*4分之1+5又7分之2*4分之1+3有7分之5除以4
20-(1/2+1/3)/(5/6)*1.2*1/4+5又(2/7)*(1/4)+3又(5/7)/4
=20-(3/6+2/6)/(5/6)*0.3+(37/7)*(1/4)+(26/7)/4
=20-(5/6)*(6/5)*0.3+(37/28)+(26/28)
=20-0.3+(37+26)/28
=19.7+63/28
=197/10+63/28
=2758/140+315/140
=3073/140
=21又(133/140)
8.8*1.25*100/4
=8.8*1.25*25
=11*25
=275
(4/9)*[3/4-(7/16-0.25)]
=(4/9)*[3/4-(7/16-1/4)]
=(4/9)*[3/4-(7/16-4/16)]
=(4/9)*[3/4-(3/16)]
=(4/9)*[12/16-(3/16)]
=(4/9)*(9/16)
=1/4