Question 1020903
Given that 76 × 219 = 16644
That's true, tho not relevant.
2*2 = 4, also.
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 work out the value of 

(a) 16644 ÷ 21.9
Hint:  16644/219 = 76

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(b) 75 × 219
= 76*219 - 1*219

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PS  Neither or those is a sum.