Question

a)4 x (4+3) b)2,0-2 x (0,1+0,2) CONTA PFV

Answer 1

a)

$4 \times (4 + 3)$

$4 \times 7 = 28$

b)

$2.0 - 2 \times (0.1 + 0.2)$

$2.0 - 2 \times (0.3)$

$2.0 + - 0.6$

$1.4$