Question

find the value of
a.45-(-11)+57
b.(-250)-(-420)+100​

Answer 1

Answer:

a.45+11+57

113 is your answer

b.-250+420+100

-250+320

70is your answer....

Mark as Brainlist

Answer 2

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$a. \: 45 - ( - 11) + 57 \\ = 45 + 11 + 57 = 113 \: ans$

$b . \: ( - 250) - ( - 420) + 100 \\ = ( - 250) + 420 + 100 \\ = ( - 250) + 520 = 270 \: ans \:$