Essay
Give the exact answer by mental calculation, and then write down your thinking. You are asked for a second way of thinking in parts B and C.
A) 479.38 + 18.9 + 2.4 - 479.38 = _____
B) 12 × 125 = _____ (Give two ways for part B.)
C) 1714 - 897 = _____ (Give two ways for part C.)
D) 20% of 45 = _____
Correct Answer:
Verified
Correct Answer:
Verified
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