1) 4 15/49 - 2 13/14 = 211/49 - 41/14 = (211 × 2 - 41 × 7)/98 = 422/98 - 287/98 = 135/98 = 1 37/98
2)1,134÷0,28=4,05
3)4,254-4,05=0,204
4)1 32/49÷ 1 37/98 =81/49 ÷ 135/98 = 81/49 × 98/135 = 6/5 = 1 1/5=1,2
5)2/3×0,204=2/3 × 204/1000 = 2/3 × 51/250 = 17/125=0,136
6)1,2+0,136=1,336
7)1,336+1,114=2,45
ОТВЕТ 2,45