1.

(-12) – (-5) + (-125) + (270)

Answer»

STEP-by-step explanation:

I have explained step by step hope it WOULD help you

NOTE

i) (- -) = +

MINUS +MINUS =PLUS

ii) (- +) = -

MINUS + PLUS=MINUS

iii) (+ +)= +

PLUS + PLUS = PLUS



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