560*35%=196 1 день 196*7\8=224 2 день 560-196-224=140 3 день
<span> (4 1/3 - (2/5) * 2 + 3 1/75) : 4/75 = 122 3/4,
1) 2/5 * 2 = 4/5,
2) 4 1/3 - 4/5 + 3 1/75 = (4 + 3) + (1/3 - 4/5 + 1/75) = 7 + (25/75 - 60/75 + 1/75) = 7 - 34/75 = 6 41/75,
3) 6 41/75 : 4/75 = 491/75 * 75/4 = 491/4 = 122 3/4</span>
1)8+2=10
2)64*10=640
3)36*9=324
4)640-549=91
5)91+324=415
Вот.......................