题目内容
把方程和对应的解连一连

(1)6y-y=125,
5y=125,
5y÷5=125÷5,
y=25;
(2)3y+0.5y=21,
3.5y=21,
3.5y÷3.5=21÷3.5,
y=6;
(3)4y-0.2y=41.8,
3.8y=41.8,
3.8y÷3.8=41.8÷3.8,
y=11;
(4)y+7y=43.2,
8y=43.2,
8y÷8=43.2÷8,
y=5.4;
所以连线如下:

5y=125,
5y÷5=125÷5,
y=25;
(2)3y+0.5y=21,
3.5y=21,
3.5y÷3.5=21÷3.5,
y=6;
(3)4y-0.2y=41.8,
3.8y=41.8,
3.8y÷3.8=41.8÷3.8,
y=11;
(4)y+7y=43.2,
8y=43.2,
8y÷8=43.2÷8,
y=5.4;
所以连线如下:
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