1) 30-6=24.
2) 30+6=36.
3) 36+4=40.
4) 24+6=30.
5) 36-6=30.
6) 40-4=36.
-х=31 17/37-45
х=3 20/37
х=1 17/31-18/31+29/31
х=1 28/31
) a*b = 525 = НОК(a,b)*НОД(a,b) = 105*НОД(a,b).НОД(a,b) = 525/105 = 5,a*b=525 = 3*175 = 3*5*5*7,НОК =105 = 3*35 = 3*5*7,НОД = 5.a=3*5 = 15;b = 5*7 = 35.2) НОД = 7, a*b = 294=2*147 = 2*3*7*7,НОК = 294/7 = 42 = 2*3*7.a = 2*7 = 14b = 3*7 = 21.3) НОД = 5, a:b = 13:8 = 13/8 = 13*5/(8*5);a = 13*5 = 65;b = 8*5 = 40.4) НОК = 224, a:b = 7:8,224 = 2*2*56 = 2*2*7*8 = (2^5)*7,a = 7*t; b=8*t,b = (2^3)*t;224 = 7*8*(2^2) = 7*8*4,a = 7*4 = 28,b = 8*4 = 32.5) НОД = 3, НОК = 915 = 3*305 = 3*5*61,a = 3*5 = 15,b = 3*61 = 183.
<span>7,22•0,08=0,5776
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