3/8:2/5=3/8*5/2=15/164/25:8/15=4/25*15/8=3/102/5:4/5=2/5*5/4=2/4=1/2<span>8/45:4/15=8/45*15/4=6/9=2/3</span>
<span>62, 3 + (50,1-3,3*(96,96:9,6))*1,8=62,3+(50,1-33,33)*1,8=62,3+30,19=92,5</span>
Х*4=52
х=52:4
х=13
Ответ:13
64:а=32
а=64:32
а=2
Ответ:2
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1) 90 * 16/45 = 32°
2) 180 * 7/10 = 126°