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a) (36:a+63:9):2=8. b) 924-(150+a)=100+2x100+41. Va rog prin ordinea operatiilor .este urgent

Răspuns :

(36÷a+63÷9)÷2=8
36÷a+7=8×2
36÷a=16-7
a=36÷9=4
924-(150+a)=100+2×100+41
150+a=100+200+41-924
a=-583-150=-733