1.7×0.9+1.2÷0.3-0.2=48.8 这个括号怎么加才能使算式成立啊!1.7×0.9+1.2÷0.3-0.2=48.8 2.7×0.9+1.2÷0.3-0.2=18.3 3.7×0.9+1.2÷0.3-0.2=75 4.7×0.9+1.2÷0.3-0.2=47.6 共有四个,

问题描述:

1.7×0.9+1.2÷0.3-0.2=48.8 这个括号怎么加才能使算式成立啊!
1.7×0.9+1.2÷0.3-0.2=48.8
2.7×0.9+1.2÷0.3-0.2=18.3
3.7×0.9+1.2÷0.3-0.2=75
4.7×0.9+1.2÷0.3-0.2=47.6 共有四个,

1.7×(0.9+1.2)÷0.3-0.2=48.8
2.7×0.9+1.2÷(0.3-0.2)=18.3
3.(7×0.9+1.2)÷(0.3-0.2)=75
4.7×[(0.9+1.2)÷0.3-0.2]=47.6
大概就这几种吧

1.7×(0.9+1.2)÷0.3-0.2=48.8
2.7×0.9+1.2÷(0.3-0.2)=18.3
3.(7×0.9+1.2)÷(0.3-0.2)=75
4.7×[(0.9+1.2)÷0.3-0.2]=47.6
赞同一下吧

1.7×(0.9+1.2)÷0.3-0.2=48.8
2.7×0.9+1.2÷(0.3-0.2)=18.3
3.(7×0.9+1.2)÷(0.3-0.2)=75
4.7×[(0.9+1.2)÷0.3-0.2]=47.6
自己想的
我五年级

7×(0.9+1.2)÷0.3-0.2=48.8

1.7×(0.9+1.2)÷0.3-0.2=48.8
2.7×0.9+1.2÷(0.3-0.2)=18.3
3.(7×0.9+1.2)÷(0.3-0.2)=75
4.7×[(0.9+1.2)÷0.3-0.2]=47.6

1.7×(0.9+1.2)÷0.3-0.2=48.8
2.7×0.9+1.2÷(0.3-0.2)=18.3
3.(7×0.9+1.2)÷(0.3-0.2)=75
4.7×[(0.9+1.2)÷0.3-0.2]=47.6
希望能够帮助你!