Math, asked by priyanshreerqy, 9 months ago

find the sum:-(-9)+21-(-28)+(-40)​

Answers

Answered by ak46847345
1

Answer:

-9+21+28-40

12 - 12

=0

so the answer is zero

Answered by ashu200218
1

Answer:

=-9+21+28-40

=-9+49-40

=40-40

=0

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