Question

A) (-15+4)+[-18+(3-7+5)]
B) -1+[1+(1-1)-1]
C) +14 -(10+5+2)
D)√64-4.(-5)-(3)²+(-3)​

Answer 1

Resposta:

a) (-15+4)+[-18+(3-7+5 )]

-11+ [-18+ 4+1

29+5

35

b)-1 [1+(1-1)-1

-1+2+0

3+0

3

c) +14 -10+5+2

4+7

11

d) 64-4 (-5)-(-3)2 +(-3)

4×(-5)-(-6)+3

(-20)-14+3

(-34)+3

-31