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

(a) 121 - _____ = 66

(b) 56 - _____ = 37

(c) 99 - _____ = 13

(d) 99 - _____ = 19
1 m

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

(a) 121 - _____ = 66

(b) 56 - _____ = 37

(c) 99 - _____ = 13

(d) 99 - _____ = 19