Question

Q 23. Solve the following :( Show proper calculation) (a) 60 + 78 -(-52) - 80 (b) (-235) + 350 + 520​

Answer 1

Answer:

Step-by-step explanation: A]. 60+78-[-52]-80

= 138-[-52]-80

HERE, - - = + RULE OF INTEGERS SO , 190-80=110

ANSWER IS 110.

B].(-235) + 350 + 520

Here, - + = - rule of integer so 235 - 350 + 520

= 115 + 520

=635

so, the answer is 635 .

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