Question

Vă rog ajutatima Dau coroana

Answer 1

I. 24•78+24•91=(24•78)(24•91)=1872+2184=4056 II.24•78+24•91=24•(78+91)=24•169=4056 Si continui asa la toate. a+125•75=340•45 a=340•45-125•75 a=15300-9375 a=5925 64•360-b=120•30 b=23040-3600 b=19440 c-481•50=317•60 c-24050=19020 c=24050+19020 c=43070 87•610-d=50•240 53070-d=12000 d=53070-12000 d=41070 Sper ca te-am ajutat!