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Răspuns :

Răspuns:

8×4+a=6×9+16:2

32+a=54+8

32+a=62

a=62-32

a=30

a-9×8=32:4+225

a-72=8+225

a-72=233

a=233+72

a=305

(6×6:4×b)-25:5=11×2

((36:4×b)-5=22

(9×b)-5=22

(9×b)=22+5

9×b=27

b=27:9

b=3

Explicație pas cu pas:

ღSalutare!ღ

8×4+a=6×9+16:2

32+a=54+8

32+a=62

a=62-32

a=30

a-9×8=32:4+225

a-72=8+225

a-72=233

a=233+72

a=305

(6×6:4×b)-25:5=11×2

(36:4×b)-5=22

(9×b)-5=22

9×b=22+5

9×b=27

b=27:9

b=3

Succes!!;)