Решите следующие пропорции
1)1,4:7/3=0,2x:3 3)4/5x:2,7=9:1,8
2)15/7:2,5=8,47x 4)22/3:11/6=0,6x,75
1)1,4:7/3=0,2x:3 3)4/5x:2,7=9:1,8
2)15/7:2,5=8,47x 4)22/3:11/6=0,6x,75
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1)7/3*1/5х=1,4*37/15х=4,2
х=42/10*15/7
х=9
2)15/7*7х=8,4*2,5
15х=21
х=1,4
3)4,5х*1,8=9*2,7
8,1х=24,3
х=3
4) 11/6*6/10х=75/100*22/3
11/10х=275/50
х=275/50*10/11
х=5