7.
Simplify.
(a) (-400) + 781 + (- 1400) + (-81) + 300
(b) ( 273) + (- 541) + 900 + (511)
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Answers
Answered by
7
Answer:
(a) = -800
(b) = 1143
Step-by-step explanation:
(a)
=-400+781-1400-81+300
=781+300-400-1400-81
=1081-1881
=-800
(b)
=273-541+900+511
=1143
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