Автор - gareev2007

вычислите
4 4/15-1 7/12 и 4 3/22 * 2 5/14

Ответ

Автор - Nastya171167
4 4/15  -  1 7/12 = 64/15  -  19/12 =  (64 * 4  -  19 * 5)/60 = (256  -  95)/60 =  161/60 = 2 41/60
4 3/22 *  2 5/14 = 91/22  * 33/14 = 3003/308 = 39/4 = 9 3/4

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