(b) (-21) *[(-4)+(- 6)]-[(-21) * (- 4)] + [(-21) (-6)]
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Answer:
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Answer:
(-21) ×[(-4)+(- 6)]-[(-21) × (- 4)] + [(-21) (-6)]
solɴ:-
─────
= 84-6+ 84-21×(-6)
=82+ 84+ 126
=292
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