Question

a)-9.(+4) : (-2)-4. (+5)-8= +
bi) 15.(-4) : (+3) +7.(-2)+10 = =
ci) 15-(-9): (+3) +6:(-2)-18=
d)-5-(+15).(-5) -18:(-2)-6=
e) -(+20) : (-5) -8.(-4)+5=
f) (-10): (-5) -4.(+8)-45=
g n) -8 +(-50).(-5) -8 :(+4)+20=
me ajunde PF urgente​

Answer 1

Resposta:

a)-9.(+4):(-2)-4.(+5)-8

-36:-2+20-8

18+20-8

38-8

30

b)15.(-4):(+3)+7.(-2)+10

- 60:3+14+10

- 20+14+10

-6+10

4

c)15-(-9):(+3)+6:(-2)-18

24:3+3-18

8+3-18

11-18

-7

d)-5-(+15).(-5)-18:(-2)-6

-5+75+9-6

70+9-6

79-6

73

e)-(+20):(-5)-8.(-4)+4

-4+32+4

28+4

32

f)(-10):(-5)-4.(+8)-45

2+32-45

34-45

-11

g)-8+(-50).(-5)-8:(+4)+20

-8+250-2+20

+242-2+20

240+20

260