Răspuns :
a
a+(3×98)=a+294 =b
b-(436÷2)=1200÷4
b-218=300
b=300+218
b=518
a+294=518
a=518-294
a=224
a+(3×98)=a+294 =b
b-(436÷2)=1200÷4
b-218=300
b=300+218
b=518
a+294=518
a=518-294
a=224