Question

responda as expressões numéricas abaixo:
a) 20×47+80×4= ?? b) 3×75+3×25= ??
c) 4×101+4×99= ??​

Answer 1

a)

$20 \times 47 + 80 \times 4 \\ 940 + 320 \\ 1260$

b)

$3 \times 75 + 3 \times 25 \\ 225 + 75 \\ 300$

c)

$4 \times 101 + 4 \times 99 \\ 404 + 396 \\ 800$