7 th grade mathematics supplementary exercise 4.3 solving problems with equations 6 original questions or answers (there must be a process) supplementary exercises lost their urgency ~ ~ ~ - Training Enrollment Network

7 th grade mathematics supplementary exercise 4.3 solving problems with equations 6 original questions or answers (there must be a process) supplementary exercises lost their urgency ~ ~ ~

1 Celsius

2 20

Set aside X yuan in the bank.

(4. 14% X)( 1-5%)= 393.3

……

X= 10000

4 ① There are x people 1 class.

13X+ 1 1( 104-X)= 1240

……

X=48

Answer: 1 class 48 people.

② 1240- 104*9=304

A: It saved 304 yuan.

I hope I can help you. O(∩_∩)O hahaha ~

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