1 3 5 X 1 3 7


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Math Antics - Adding Mixed Numbers
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Find 2/5 x −3/7 − 1/14 − 3/7 x 3/5
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Como resolver a equação do 1º grau 7 ( x - 5 ) = 3 ( x + 1 ).
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Solve x-3/5 + x-4/7 = 6-2x-1/35
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Como resolver a equação do 1º grau 5 ( 2x - 4 ) = 7 ( x + 1 ) - 3
(3/5)^x = 7^(1-x)
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Solve (x+3)/7-(2x-5)/3=(3x-5)/5-25
Math Antics - Multiplying Fractions
Factorials Explained!
Explain why 7 X 11 X 13 + 13 and 7 X 6 X 5 X 4 X 3 X 2 X 1 + 5 are composite numbers.