2 câu trả lời
123+[54+(−123)+46]
=123+(54−123+46)
=123+54−123+46
=(123−123)+(54+46)
=0+100
=100
=123+ [54 + (-123) + 46]
=123+ 54 -123 + 46
=(123-123)+ (54+46)
= 0 + 100 = 100
123+[54+(−123)+46]
=123+(54−123+46)
=123+54−123+46
=(123−123)+(54+46)
=0+100
=100
=123+ [54 + (-123) + 46]
=123+ 54 -123 + 46
=(123-123)+ (54+46)
= 0 + 100 = 100
