问题
解答题
解方程 4×(x+
3:x=4.8:1.2. |
答案
(1)4×(x+
×0.5)=12 5
4×(x+
×0.5)÷4=1÷42 5
x+0.2=0.25
x+0.2-0.2=0.25-0.2
x=0.05;
(2)3:x=4.8:1.2
4.8x=3×1.2
4.8x÷4.8=3.6÷4.8
x=
.3 4
解方程 4×(x+
3:x=4.8:1.2. |
(1)4×(x+
×0.5)=12 5
4×(x+
×0.5)÷4=1÷42 5
x+0.2=0.25
x+0.2-0.2=0.25-0.2
x=0.05;
(2)3:x=4.8:1.2
4.8x=3×1.2
4.8x÷4.8=3.6÷4.8
x=
.3 4