Math, asked by disha5213, 3 months ago

28-[15-{8+20÷(7-8-6)}]​

Answers

Answered by aishu0105
9

Step-by-step explanation:

28 - (15 - (8 + 20 \div (7 - 8 - 6))) \\  \\  = 28 - (15 - (8 + 20 \div ( - 7))) \\  \\  = 28 - (15 - (28 \div ( - 7))) \\  \\  = 28 - (15 - ( - 4)) \\  \\  = 28 - ( 15 +4) \\  \\  = 28 - (19) \\  \\  = 28 - 19 \\  \\  = 9

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