Question

1) a-6x4-2x9=7x8
2) b-3x3-5x4-8x8=4x6
3) (111-95)+(204-188)-a=3x2
4) (429-183)-(100-57)+b=804​

Answer 1

Răspuns:

A-24-18=56

A-24=56-18

A-24=38

A=38-24

A=14

2.b-9-20-64=24

B-9-20=24+64

B-9-20=88

B-9=88+20

B-9=108

B=108+9

B=117

3.16+16-a=6

32-a=6

A=32-6

A=26

4.246-23+b=804

223+b=804

B=804-223

B=581

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