Question

Slove using compensation:28+36​

Answer 1

Step-by-step explanation:

We take the 1 away from the 6 we give it to the 9. And this is mental math. Okay. So that would give us 10 plus 5 we could do the same thing with 19 plus 16 we could make it 20 plus 15 see.

hope it helps you

Answer 2

Answer:

28 (+2) = 30 [for addition, we have add one number and subtract the other by the same amount ]

86 (-2) = 84

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114

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