题目内容
解方程.
| x+3.6=8.4 | x-2.5=6.5 | x÷1.5=3.6 | 2.4x=60. |
(1)x+3.6=8.4,
x+3.6-3.6=8.4-3.6,
x=4.8;
(2)x-2.5=6.5,
x-2.5+2.5=6.5+2.5,
x=9;
(3)x÷1.5=3.6,
x÷1.5×1.5=3.6×1.5,
x=5.4;
(4)2.4x=60,
2.4x,2.4=60÷2.4,
x=25.
x+3.6-3.6=8.4-3.6,
x=4.8;
(2)x-2.5=6.5,
x-2.5+2.5=6.5+2.5,
x=9;
(3)x÷1.5=3.6,
x÷1.5×1.5=3.6×1.5,
x=5.4;
(4)2.4x=60,
2.4x,2.4=60÷2.4,
x=25.
练习册系列答案
相关题目