Пошаговое объяснение:
1.
[tex] \frac{1}{2} \times 4 = \frac{1 \times 4}{2 \times 4} = \frac{4}{8} [/tex]
2.
[tex] \frac{3}{5} \times 4 = \frac{3 \times 4}{5 \times 4} = \frac{12}{20} [/tex]
3.
[tex] \frac{30}{27} \times 4 = \frac{30 \times 4}{27 \times 4} = \frac{120}{108} [/tex]
1/2 = (1*4)/(2*4) = 4/8
3/5 = (3*4)/(5*4) = 12/20
30/27 = (30*4)/(27*4) = 120/108
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Answers & Comments
Пошаговое объяснение:
1.
[tex] \frac{1}{2} \times 4 = \frac{1 \times 4}{2 \times 4} = \frac{4}{8} [/tex]
2.
[tex] \frac{3}{5} \times 4 = \frac{3 \times 4}{5 \times 4} = \frac{12}{20} [/tex]
3.
[tex] \frac{30}{27} \times 4 = \frac{30 \times 4}{27 \times 4} = \frac{120}{108} [/tex]
Пошаговое объяснение:
1/2 = (1*4)/(2*4) = 4/8
3/5 = (3*4)/(5*4) = 12/20
30/27 = (30*4)/(27*4) = 120/108