Question

Calcule as expressões

a) 5x7-40

b) -18+5x6

c )2x(-3)+10

d) (-9)x2x15

e) -8x0+17

f) -6x(-1)+9

g) (-1)x15-2-(-2)

h) (-2)x(-11)+3x6


me ajudem !!!!!

Answer 1

a) 5x7-40 = 35 - 40 = -5

b) -18+5x6 = -18 +30 = +12

c )2x(-3)+10 = -6 +10 = +4 

d) (-9)x2x15 = -18 . 15 = - 270

e) -8x0+17 = 0 + 17 = 17

f) -6x(-1)+9 = +6 +9 = +15

g) (-1)x15-2-(-2) = -15 -2 +2 = -15

h) (-2)x(-11)+3x6 = +22 + 18 = 40