A) 2,56 * 0,44 * 2,25 1,1264 * 2,25 2,5344
---------------------------- = --------------------- = ------------- = 11
3,2 * 0,12 * 0,6 0,384 * 0,6 0,2304
е) 1 2/7 * 2 3/5 * 2 1/4 9/7 * 13/5 * 9/4 117/35 * 9/4 1053/140
------------------------------ = ---------------------- = ----------------- = ------------- =
5 2/5 * 1 6/7 * 1/4 27/5 * 13/7 * 1/4 351/35 * 1/4 351/140
= 1053/140 : 351/140 = 1053/140 * 140/351 = 1053/351 = 3