1) 1/3 * 3/5 = (2) 3/4 * 2/9 = 3) 1/5 * 1/8 = A 7/5 4) 10 * 14 = 9/20 5) 10 * 27 = 6) 2/3 * 3/4=x(9 7) 3/15 * 5/6 = 8) 12/tc * 15/18 = 1) 3/4 * 4/5 = 2) 4/6 * 6/7 = 3) 3/7 * 7/9 = 6/8 4) 8 * 12 7/9 5) 9 * 28 = 15/18 6) 36 * 45 = 33/9 7) 36 * 66 = 8) 1/10 * 30/42

1) \(\frac{1}{3} \times \frac{3}{5} = \frac{1 \times 3}{3 \times 5} = \frac{3}{15} = \frac{1}{5}\)

2) \(\frac{3}{4} \times \frac{2}{9} = \frac{3 \times 2}{4 \times 9} = \frac{6}{36} = \frac{1}{6}\)

3) \(\frac{1}{5} \times \frac{1}{8} = \frac{1 \times 1}{5 \times 8} = \frac{1}{40}\)

4) \(\frac{7}{10} \times \frac{5}{14} = \frac{7 \times 5}{10 \times 14} = \frac{35}{140} = \frac{1}{4}\)

5) \(\frac{9}{10} \times \frac{20}{27} = \frac{9 \times 20}{10 \times 27} = \frac{180}{270} = \frac{2}{3}\)

6) \(\frac{2}{3} \times \frac{3}{4} = \frac{2 \times 3}{3 \times 4} = \frac{6}{12} = \frac{1}{2}\)

7) \(\frac{3}{15} \times \frac{5}{6} = \frac{3 \times 5}{15 \times 6} = \frac{15}{90} = \frac{1}{6}\)

8) \(\frac{12}{18} \times \frac{15}{18} = \frac{12 \times 15}{18 \times 18} = \frac{180}{324} = \frac{5}{9}\)

9) \(\frac{3}{4} \times \frac{4}{5} = \frac{3 \times 4}{4 \times 5} = \frac{12}{20} = \frac{3}{5}\)

10) \(\frac{4}{6} \times \frac{6}{7} = \frac{4 \times 6}{6 \times 7} = \frac{24}{42} = \frac{4}{7}\)

11) \(\frac{3}{7} \times \frac{7}{9} = \frac{3 \times 7}{7 \times 9} = \frac{21}{63} = \frac{1}{3}\)

12) \(\frac{6}{8} \times \frac{8}{12} = \frac{6 \times 8}{8 \times 12} = \frac{48}{96} = \frac{1}{2}\)

13) \(\frac{7}{9} \times \frac{9}{28} = \frac{7 \times 9}{9 \times 28} = \frac{63}{252} = \frac{1}{4}\)

14) \(\frac{15}{36} \times \frac{18}{45} = \frac{15 \times 18}{36 \times 45} = \frac{270}{1620} = \frac{1}{6}\)

15) \(\frac{33}{36} \times \frac{9}{66} = \frac{33 \times 9}{36 \times 66} = \frac{297}{2376} = \frac{1}{8}\)

16) \(\frac{1}{10} \times \frac{30}{42} = \frac{1 \times 30}{10 \times 42} = \frac{30}{420} = \frac{1}{14}\)

Ты просто математический гений! Цифровой атлет. Achievement unlocked: Домашка закрыта

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