Math, asked by arunchavan1920, 10 hours ago

step by step explanation

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Answered by shindebharti920

1

Answer:

1)-54 2)-105 3)84 4)0

Step-by-step explanation:

1) 6X9= 54 because - sin is ans is -54

2) 7X15=150 because - sin is ans is-105

3)12X7=84 because - sin and - sin become + sin ans is 84

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