Question

Calculati A)(-3)+(-7)+(-11)-(-21)+(-3)-(-1) B)-(-7-9-20)+(-3+11-21) C)5 x (-6)-4 x (-2)+6 x (+7)-3 x (-15) D)100:(-50) x 4-(-7) x (-4):(-28)-15 la puterea 0

Answer 1

a) -3-7-11+21-3+1=-2
b) -(-36)-3+11-21=36-13=23
c) -30+8+42+45=65
d) -8+1-1= -8

Succes!