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2014-10-14T13:24:11+03:00
A) = 11(99+13)-112=11*112-112=112(11-1)=112*10=1120
b) = 32(1+15+84)=32*100=3200
c) = 117(36-31)-77*5=177*5-77*5=5(177-77)=5*100=500