Ответ:
1. 324/8=162/4=81/2=40.5
3.2/2.4=1.6/1.2=0.8/0.6=0.4/0.3
2.13/7=1.6/7
20-100%
13-x
x=13*100/20=65%
7-x
x=7*100/20=35%
3. Sб=1*1=1
Sм=0.4*0.4=0.16
1/0.16=6.25
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Ответ:
1. 324/8=162/4=81/2=40.5
3.2/2.4=1.6/1.2=0.8/0.6=0.4/0.3
2.13/7=1.6/7
20-100%
13-x
x=13*100/20=65%
20-100%
7-x
x=7*100/20=35%
3. Sб=1*1=1
Sм=0.4*0.4=0.16
1/0.16=6.25