Mathematics
Mathematics, 10.02.2020 10:40, cicilee49

Two of the three expressions in each question below are equivalent. Circle the two equivalent expressions.
a.(i)a+1+a
(ii) a+2
(iii) 2a + 1
b.(i) a-(b-c)
(ii) a-b-c
(iii) a-(b+c)

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