Explications étape par étape:
1) 18/8 = (2×9) / (2×4) = 9/4
2) 8/64 = 8/(8×8) = 1/8
3) 25/95 = (5×5)/(5×19) = 5/19
4) 49/7 = (7×7)/7 = 7
5) 21/49 = (3×7)/(7×7) = 3/7
6) 300/21 = (3×100)/(3×7) = 100/7
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Explications étape par étape:
1) 18/8 = (2×9) / (2×4) = 9/4
2) 8/64 = 8/(8×8) = 1/8
3) 25/95 = (5×5)/(5×19) = 5/19
4) 49/7 = (7×7)/7 = 7
5) 21/49 = (3×7)/(7×7) = 3/7
6) 300/21 = (3×100)/(3×7) = 100/7