Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

(a) 47 - 20 = _____

(b) 98 - 63 = _____

(c) 92 - 46 = _____

(d) 88 - 66 = _____
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Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

(a) 47 - 20 = _____

(b) 98 - 63 = _____

(c) 92 - 46 = _____

(d) 88 - 66 = _____