Решите уравнение: с•6=2 11/15-с=1/3 а•0,4=4/15 х-5/8=5/8 9/10:с=3/20 1/4+b=1 1/8 2/3:а=2/9 с+6/7=2. Created by sashakosenko18. matematika-ru

7=2...

sashakosenko18 @sashakosenko18

July 2022 1 32 Report

Решите уравнение:
с•6=2
11/15-с=1/3
а•0,4=4/15
х-5/8=5/8
9/10:с=3/20
1/4+b=1 1/8
2/3:а=2/9
с+6/7=2

Answers & Comments

karihmarina

Пошаговое объяснение:

$1)c \times 6 = 2 \\ c = 2 \times 6 \\ c = 12 \\ 2) \frac{11}{15} - c = \frac{1}{3} \\ c = \frac{11}{15} - \frac{1}{3} \\ c = \frac{2}{5} \\ 3)a \times 0.4 = \frac{4}{15} \\ a = \frac{4}{15} \times \frac{10}{4} \\ a = \frac{2}{3} \\ 4)x - \frac{5}{8} = \frac{5}{8} \\ x = \frac{5}{8} + \frac{5}{8} \\ x = 1 \frac{1}{4} \\ 5) \frac{9}{10} \div c = \frac{3}{20} \\ c = \frac{9}{10} \times \frac{20}{3} \\ c = 6 \\ 6) \frac{1}{4} + b = 1 \frac{1}{8} \\ b = 1 \frac{1}{8} - \frac{1}{4} \\ b = \frac{7}{8} \\ 7) \frac{2}{3} \div a = \frac{2}{9} \\ a = \frac{2}{3} \times \frac{9}{2} \\ a = 3 \\ 8)c + \frac{6}{7} = 2 \\ c = 1 \frac{7}{7} - \frac{6}{7} \\ c = 1 \frac{1}{7}$

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