UPSKILL MATH PLUS
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Learn more(i) \((-30) +\) \(=\) \(60\)
(ii) \((-5) +\) \(=\) \(-100\)
(iii) \((-52) + (-52) =\)
(iv) \(+ (-22) = 0\)
(v) \(+ (-70) = 70\)
(vi) \(20 + 80 +\) \(= 0\)
(vii) \(75 + (-25) =\)
(viii) \(171 +\) \(=\) \(0\)
(ix) \([(-3) + (-12)] + (-77) =\) \(+ [(-12) + (-77)]\)
(x) \((-42) + [\) \(+ (-23)] = [\) \(+ 15] +\)