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Earn +20 ptsQ: What is 3 x 21?
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What can be multiplied to get 21?
1 x 21, 3 x 7, 7 x 3, 21 x 1
What is multiplied to get 21?
1 x 21, 3 x 7, 7 x 3, 21 x 1
What is X in X-3-7X equals 21?
x-3-7x=21 -6x=21+3 6x=-24 x=-4
What is 7 time 3?
10
What is the LCM of 15 21 27?
15 = 3 x 521 = 3 x 727 = 3 x 3 x 3hcf of 15 and 21 is 3lcm of 15 and 21 = 15 x 21 / 3 = 105hcf of 105 and 27 = 3lcm of 105 and 27 = 105 x 27 / 3 = 945
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