Пошаговое объяснение:
x/3 = 16/4 = 4
x = 4 * 3
x = 12
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12/x = 16/4 = 4
x = 12/4
x = 3
___
4 = 12/3 = x/4
x = 4 * 4
x = 16
__
4 = 12/3 = 16/x
x = 16/4
x = 4
__
x/12 = 75/15 = 5
x = 12 * 5
x = 60
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0,48/0,4 = 1,2 = 0,3/x
x = 0,3/1,2
x = 0,25
Пошаговое объяснение:
x/3 = 16/4;
4х=16*3
4х=48
х=48:4
х=12
12/x = 16/4;
16х=4*12
16х=48
х=48:16
х=3
12/3 = x/4;
3х=4*12
3х=48
х=48:3
х=16
12/3 = 16/x;
12х=16*3
12х=48
х=48:12
х=4
x/12 = 75/15;
15х=75*12
15х=900
х=900:15
х=60
0,48/0,4 = 0,3/x
0.48х=0.4*0.3
0.48х=0.12
х=0.12:0.48
х=0.25
