Ответ:
-4 1/9
Пошаговое объяснение:
2 1 4 3
3 12/36 × (1/5-10/12)-9÷4 1/2 = -4 1/9
По действиям:
1. 1/5-10/12 = 12/60 - 50/60 = -38/60 = -19/30
2. 3 12/36 * (-19/30) = 3 1/3 * (-19/30) = 10/3 * (-19/30) = -19/9 = -2 1/9
3. 9÷4 1/2 = 9 : 9/2 = 9 * 2/9 = 2
4. -2 1/9 - 2 = -4 1/9
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Answers & Comments
Ответ:
-4 1/9
Пошаговое объяснение:
2 1 4 3
3 12/36 × (1/5-10/12)-9÷4 1/2 = -4 1/9
По действиям:
1. 1/5-10/12 = 12/60 - 50/60 = -38/60 = -19/30
2. 3 12/36 * (-19/30) = 3 1/3 * (-19/30) = 10/3 * (-19/30) = -19/9 = -2 1/9
3. 9÷4 1/2 = 9 : 9/2 = 9 * 2/9 = 2
4. -2 1/9 - 2 = -4 1/9