(1) 1. 98+49=147
2. 147:49=3
(2) 1. 1024:16=64
2. 576:16=36
3. 64+36=100
1) 6 7/45-4 7/20 = 5 52/45 - 4 7/20 = 1 29/36
(52/45 - 7/20 = 208/180 - 63/180 = 145/180 = 29/36)
2) 9 1/21-5 16/63 = 9 3/63 - 5 16/63 = 8 66/63 - 5 16/63 = 3 50/63
3 1/20 = 3 5/100 = 3,05
2 3/50 = 2 6/100 = 2,06
4 8/25 = 4 32/100 = 4,32
7 11/20 = 7 55/100 = 7,55
12 4/25 = 12 16/100 = 12,16
9 13/50 = 9 26/100 = 9.26
2 5/8 = 2 625/1000 = 2,625
1 6/125 = 1 48/1000 = 1,048
3 17/200 = 3 85/1000 = 3,085
8 9/250 = 8 36/1000 = 8,036
7 3/500 = 7 6/1000 = 7,006
6 7/8 = 6 875/1000 = 6,875
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