Question

Use distributive property
1 - 75 x 61 + 39 x 75
2- 250 8 + 25 x 10 x 9
3- 350 x 25 + 35 10 ~ 21
4- 135 x 105
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Answer 1

Answer:

a =7500 , b = 4758, c = ? , d = 14175