Решите уравнения:
а) х : 0,8 = 3/4 : 0,15
б) 5/6 : х = 4/9 : 4/5
в)5 3/8 : х = 6 1/9 : 1 12 /43
а) х : 0,8 = 3/4 : 0,15
б) 5/6 : х = 4/9 : 4/5
в)5 3/8 : х = 6 1/9 : 1 12 /43
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х:0,8=0,75:0,15
х:0,8=5
х=5*0,8
х=4
б)5/6:х=4/9 : 4/5
5/6:х=5/9
х=5/6:5/9
х=3/2=1 1/2
в)5 3/8:х=6 1/9 : 1 12/43
5 3/8:х= 43/9
х= 5 3/8 :43/9
х=43/8 : 43/9
х=9/8=1 1/8