作业帮用简便方法计算:3.14*6.25+(10-6.86)*3.75= (3/4+2/5)÷(3/4-2/5)= [0.25×(7.2-6.8)]×2.88=8/27÷[20/39×(11/15-3/10)]=9/16÷[11/24-(5/8-13/24)]=44×(1-1/4)+56×75%=1又3/7×(3又1/13-1又9/11)×0.7×28又3/5=1+[8又1/4-(8.5-4×1又7/8)÷0.125=[(0
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/17 08:29:28
![用简便方法计算:3.14*6.25+(10-6.86)*3.75= (3/4+2/5)÷(3/4-2/5)= [0.25×(7.2-6.8)]×2.88=8/27÷[20/39×(11/15-3/10)]=9/16÷[11/24-(5/8-13/24)]=44×(1-1/4)+56×75%=1又3/7×(3又1/13-1又9/11)×0.7×28又3/5=1+[8又1/4-(8.5-4×1又7/8)÷0.125=[(0](/uploads/image/z/135530-26-0.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%3A3.14%2A6.25%2B%2810-6.86%29%2A3.75%3D+%283%2F4%2B2%2F5%29%C3%B7%283%2F4-2%2F5%29%3D+%5B0.25%C3%97%287.2-6.8%29%5D%C3%972.88%3D8%2F27%C3%B7%5B20%2F39%C3%97%2811%2F15-3%2F10%29%5D%3D9%2F16%C3%B7%5B11%2F24-%285%2F8-13%2F24%29%5D%3D44%C3%97%281-1%2F4%29%2B56%C3%9775%25%3D1%E5%8F%883%2F7%C3%97%283%E5%8F%881%2F13-1%E5%8F%889%2F11%29%C3%970.7%C3%9728%E5%8F%883%2F5%3D1%2B%5B8%E5%8F%881%2F4-%288.5-4%C3%971%E5%8F%887%2F8%29%C3%B70.125%3D%5B%280)
用简便方法计算:3.14*6.25+(10-6.86)*3.75= (3/4+2/5)÷(3/4-2/5)= [0.25×(7.2-6.8)]×2.88=8/27÷[20/39×(11/15-3/10)]=9/16÷[11/24-(5/8-13/24)]=44×(1-1/4)+56×75%=1又3/7×(3又1/13-1又9/11)×0.7×28又3/5=1+[8又1/4-(8.5-4×1又7/8)÷0.125=[(0
用简便方法计算:3.14*6.25+(10-6.86)*3.75= (3/4+2/5)÷(3/4-2/5)= [0.25×(7.2-6.8)]×2.88=
8/27÷[20/39×(11/15-3/10)]=
9/16÷[11/24-(5/8-13/24)]=
44×(1-1/4)+56×75%=
1又3/7×(3又1/13-1又9/11)×0.7×28又3/5=
1+[8又1/4-(8.5-4×1又7/8)÷0.125=
[(0.75+1又1/2)÷0.25-4/7]×3.5=
用简便方法计算:3.14*6.25+(10-6.86)*3.75= (3/4+2/5)÷(3/4-2/5)= [0.25×(7.2-6.8)]×2.88=8/27÷[20/39×(11/15-3/10)]=9/16÷[11/24-(5/8-13/24)]=44×(1-1/4)+56×75%=1又3/7×(3又1/13-1又9/11)×0.7×28又3/5=1+[8又1/4-(8.5-4×1又7/8)÷0.125=[(0
这些题目 不是所有都能用简便运算的
1、3.14×6.25+（10-6.86）×3.75=3.14×6.25+3.14×3.75=3.14×（6.25+3.75）=3.14×10=31.4
3、0.25×0.4×2.88=0.1×2.88=0.288
5、44×0.75+56×0.75=0.75×（44+56）=0.75×100=75
其他题目你只需要题目中有小数的都化成分数然后运用四则运算就可以得出结果了
（关键：数的形式要化统一）
用到的分数小数互化的有 3/4=0.75 2/5=0.4 0.7=7/10 1/4=0.25 0.125=1/8 0.5=1/2
希望能得到你的认可.