Question

A
15×(-7)×9×(+8)
B
(-256)÷(-2)
C
(-9).(-13).(+1).(-3)
D
(-15)÷(-3)-7
E
185-(+187)-(-375)+(-500)
F
(2-7)+(8-13)
G
-36÷(-6)+5:4
H
-8-2-3
I
-30+60+90-120
J
-6-(2-7+1+5)-1
K
{(-18)+[(-2).(+8-5]÷(-6)}



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Answer 1

A)15×(-7)×9×(+8)

105×72= 7560

B) (-256)÷(-2)=128

C)(-9).(-13).(+1).(-3)

117.(-3)

-351

D)(-15)÷(-3)-7

5-7= -2

E)185-(+187)-(-375)+(-500)

185-187+375-500

185+375-187-500

560-687= -127

F)(2-7)+(8-13)

(-5)+(-5)= -10

G)-36÷(-6)+5:4

6+1,25= 7,25

H)-8-2-3= -13

I)-30+60+90-120=

30+90-120=

120-120=0

J)-6-(2-7+1+5)-1=

-6-(-5+1+5)-1=

-6-(-4+5)-1=

-6-1-1=-8

K){(-18)+[(-2).(+8-5)]÷(-6)}

{-18+[-2.3] ÷ -6}

{-18+-6÷-6}

{-18+1}= -17