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Afla termenul necunoscut. 10xa-10x[181x2+5x2x(24+36:6)]=10x10

Răspuns :

10xa-10x[181x2+5x2x(24+36:6)]=10x10
10xa-10x[362+10x(24+6)]=100
10xa-10x(372x30)=100
10xa-10x11160=100
10xa-111600=100
10xa=111600-100
10xa=111500
a=111500:10
a=11150
10×a-10×[181×2+5×2×(24+6)]=100
10×a-10×(362+10×30)=100
10×a-10×(362+300)=100
10×a-10×662=100
10×a-6620=100
10×a=6620+100
10×a=6720
a=6720:10
a=672