Question

6x (3x4-2x5) -4+3x (4-2) - (10 : 2) = resolva a expressão

Answer 1

$6.(3.4-2.5)-4+3.(4-2)-(10:2)= \\ \\ =6.(12-10)-4+3.2-5= \\ \\=6.2-4+6-5= \\ \\ =12-4+6-5= \\ \\ =18-9=9$

Answer 2

6 * (3 * 4 - 2 * 5) - 4 + 3 * (4 - 2) - (10 ÷ 2)
6 * (12 - 10) - 4 + 3 * 2 - 5
6 * 2 - 4 + 6 - 5
12 - 4 + 6 - 5
8 + 1
9

Espero ter ajudado. Valeu!