4.
Simplify the following.
(a) -45 -(-78)+67.
(b)-90+(-100)-(-62)
(c) 4-(-6)+56.
(d) (-77)-(66)-(-55) +22
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4.
Simplify the following.
(a) -45 -(-78)+67.
(b)-90+(-100)-(-62)
(c) 4-(-6)+56.
(d) (-77)-(66)-(-55) +22
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Answer:
A) 100
B) -128
C) 66
D) -66
answers
A) 100
B)-128
C)66
D)-66