Question

1) (3.27+0.73)*0,31. 2) (10.025-4,975)*5,2. 3) 52-25*(14,175-12,125). 4) (7,47-4,97)*10+12.7*1,2. 5) (o,71-0,52)*(14,3+12,5)*10la puterea a 2 a

Answer 1

1)(3.27+0.73)×0.31=4×0.31=1.24
2)(10.025-4.975)×5.2=5.05×5.2=26.26
3)52-25×(14.175-12.125)=52-25×(2.05)=52-25×2.05=52-51.25=0.75
4)(7.47-4.97)×10+12.7×1.2=2.5×10+12.7×1.2=25+15.24=40.24
5)(0.71-0.52)×(14.3+12.5)×10²=(0.19)×(26.8)×100=5.092×100=509.2
sucees