Răspuns:
Explicație pas cu pas:
18√3/8×3=2×9×√3/8×3=3√3/4
12√3/3=4√2/2=2√2
36/3√6=12√6/6=2√6
21√7/7=3√7
42 / 2√7 = 21√7 / 7 = 3√7
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18 / 2√3 = 9√3/3 = 3√3
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12 / 3√2 = 4√2/2 = 2√2
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36/3√6 = 12√6 / 6 = 2√6
21/√7 = 21√7 / 7 = 3√7
