Вычислите -3 3\4 +(-8 2\9-(4,5): 9\14)* 2 1\4
- 3 3/4 + (-8 2/9 - (4,5) : 9/14) * 2 1/4 = - 38 1) 4,5 : 9/14 = 45/10 * 14/9 = (5*7)/(5*1) = 35/5 = 7 2) - 8 2/9 - 7 = - 15 2/9 3) - 15 2/9 * 2 1/4 = - 137/9 * 9/4 = - 137/4 = - 34 1/4 4) - 3 3/4 + (-34 1/4) = - (3 3/4 + 34 1/4) = - 37 4/4 = - 38