1. 49 * 88 * 36 7*8 4
__________ = ______ = ___
77* 42 * 180 7*6*5 15
2. 25 * 11 * 64 * 77 8*77 7
_____________ = ________ = ___ = 2 ¹/₃
121 * 56 * 100 11*6*4 3
3. 64 * 22 * 49 * 54 4*7*6
_____________ = ______ = 2
66 * 63 * 16 * 28 3*7*4
4. 125 * 87 * 15 * 48 3*48
_______________ = _______ = 3
29*90*1000 6*8