问题
解答题
|
答案
(1)x+3.2=4.6,
x+3.2-3.2=4.6-3.2, |
(2)4x-3×9=29,
4x-27=29,
4x-27+27=29+27,
4x÷4=56÷4,
x=14;
(3)(x-3)÷2=7.5,
(x-3)÷2×2=7.5×2,
x-3+3=15+3,
x=18.
|
(1)x+3.2=4.6,
x+3.2-3.2=4.6-3.2, |
(2)4x-3×9=29,
4x-27=29,
4x-27+27=29+27,
4x÷4=56÷4,
x=14;
(3)(x-3)÷2=7.5,
(x-3)÷2×2=7.5×2,
x-3+3=15+3,
x=18.