1,3-4целых8/13х3целых1/4+3,7=

Question

1,3-4целых8/13х3целых1/4+3,7=

Answer 1

1,3 - 4 8/13 * 3 1/4 + 3,7 = - 10

1) 4 8/13 * 3 1/4 = 60/13 * 13/4 = 60/4 = 15
2) 1,3 - 15 = - 13,7
3) - 13,7 + 3,7 = - 10