Question

31] Calcule
a) -3 1-4-(-2-5-4+5) -3]
b) 15-6 - {{3-(-2-9))+14)
c) -32 +5{ 15-15-1-3+8)-7-5] -
d) - 20 - (-18-[(-7) (4-7)}} -​

Answer 1

a)-3[1-4-(-6)-3]

-3[1-4+6-3]

-3

b)15-6{[3-(-11)]+14}

15-6-{[3+11]+14}

15-6-{14+14}

15-6-28

-19

c)-32+5[4-7-5]

-32+5-8

-35

d)-20-{-18-21}

-20-39

-59