Question

mă puteți ajuta plss​

Answer 1

Răspuns:

Explicație pas cu pas:

1/2 + 2/3 = 3/6 + 4/6 = 7/6

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2/3 + 4/5 = 10/15 + 12/15 = 22/15

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2/9 + 5/8 = 16/72 + 45/72 = 61/72

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3/11 + 7/10 = 30/110 + 77/110 = 107/110

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5/7 + 3/4 = 20/28 + 21/28 = 41/28

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11/9 - 9/10 = 110/90 - 99/90 = 11/90

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13/20 + 21/23 = 299/460 + 420/460 = 719/460

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2/13 + 5/26 = 4/26 + 5/26 = 9/26

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7/10 + 13/100 = 70/100 + 13/100 = 713/100

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8/25 + 12/50 = 16/50 + 12/50 = 28/50

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9/36 + 5/72 = 18/72 + 5/72 = 23/72