1) 6 : 2 1/3 = 3 × 1/3 = 1.

2) 7 3/8 : 1 1/20 = 59/8 × 1/20 = 59/160.

3) 25 1/4 : 25 = 101/4 × 1/25 = 101/100 = 1 1/100.

Пошаговое объяснение:

1. 6:2 1/3=6/1:7/3=6/1×3/7=18/7=2 4/7

2. 7 3/8:1 1/20=59/8:21/20=59/8×20/21=

=59/2×5/21=295/42=7 1/42

3.25 1/4:25=101/4:25=101/4×1/25=101/100=1 1/100=

=1,01