Question

calcule
a)7×5,3-35,2
b)6×(0,3+1,2)
c)3,2×0,8-1,4×0,2
d)0,5×(2-0,36)​

me
ajudem

Answer 1

Resposta:

$7 \times 5.3 = 37.1 \\ 37.1 - 35.2= 1.9 \\ \\ (0.3 + 1.2) = 1.5 \\ 1.5 \times 6 = 9 \\ \\ 3.2 \times 0.8 = 2.56 \\ 1.4 \times 0.2 = 0.28 \\ 2.55 - 0.28 = 2.28 \\ \\ (2 - 0.36) = 1.64 \\ 0.5 \times 1.64 = 0.82$