1642. Запиши звичайний дріб у вигляді десяткового та виконай ділення:
1) 3/4 : 0,025 = 0,75 : 0,025 = 750 : 25 = 30
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2) 9,78 : 1/2 = 9,78 : 0,5 = 97,8 : 5 = 19,56
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3) 5/8 : 0,2 = 0,625 : 0,2 = 6,25 : 2 = 3,125
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4) 1,45 : 5/16 = 1,45 : 0,3125 = 14500 : 3125 = 4,64
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