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8×11×323+277×44×2+11×2³×920-4×22×731



Răspuns :

88*323+24376+88*920-88*731=
28424+24376+80960-64328=
52800+16632=69432
= 88x(323+277+920-731)= 88x(600+189)=88x789=69432