Решите уравнения -1/3xb=-3
b=
с:0.2=-5
с=
1/3 - обыкновенные дроби
x- умножение
-1/3b=-3
b=-3*(-3)
b=9
с:0,2=-5
с=-5*0,2
с=-1
-1/3 * b = -3b = 3 : 1/3b = 9c : 0.2 = -5c = -5 * 0.2c = - 1
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Answers & Comments
-1/3b=-3
b=-3*(-3)
b=9
с:0,2=-5
с=-5*0,2
с=-1
Verified answer
-1/3 * b = -3
b = 3 : 1/3
b = 9
c : 0.2 = -5
c = -5 * 0.2
c = - 1