Question

3 12*2 25+(2-4 815*317) нужно конкретное решение

Answer 1

1) 3 1/2 * 2 2/5 = 7/2*12/5 = 42/5 = 8 2/5 2) 4 8/15 * 3/17 = 68/15 * 3/17 = 4/5 3) 2 - 4/5= 1 5/5 - 4/5 = 1 1/5 4) 8 2/5 + 1 1/5 = 9 3/5