解方程(二)第1题答案
(1)x = 4
(2)x = 7
(3)x = 2.5
(4)x = 1.9
(5)x = 1.5
解方程(二)第2题答案
6x = 48 - 18
x = 5
15x = 92 + 43
x = 9
3x = 24 + 12
x = 12
x + 2.1 = 3.5
x = 1.4
2x - 12 = 48 ÷ 3
x = 14
95 + 5x = 23 × 5
x = 15.2
解方程(二)第3题答案
(1)2x + 28 = 100;x = 36
(2)3x + 2.5 × 3 = 12;x = 1.5