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10-10-2017
Mathematics

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simply. this math problem

Help simply this math problem class=

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musiclover10045 musiclover10045

10-10-2017

- 4 1/5 = -21/5 = -42/10

-13 1/10 = -131/10

-42/10 - -131/10=

-42/10 + 131/10 = 89/10 = 8 9/10

answer is A

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Аноним Аноним

10-10-2017

−42/10+131/10=−42/10+131/10=−42+131/10=8910(Decimal: 8.9)Answer: A

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