Question

Exercise 3.2
1. Subtract mentally by breaking the second number into tens and ones,
b.
89
26
56 - 35
75 - 51
89 - 20
6
56 -
-
75
6
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Answer 1

Answer:

56-35=21

89-26=63

75-51=24

89-20=69

6-56=-50

75-6=69

Step-by-step explanation:

69+50+69+24+63+21=296