人教版五年级上册数学5简易方程解方程（二）作业本详细解答过程和答案
解方程（二）第1题详细解答过程和答案（1）x = 4
（2）x = 7
（3）x = 2.5
（4）x = 1.9
（5）x = 1.5
解方程（二）第2题详细解答过程和答案
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题详细解答过程和答案
（1）2x + 28 = 100；x = 36
（2）3x + 2.5 × 3 = 12；x = 1.5
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