obliczcie mi:
2/3+0,5
3 1/5+0,72
4,6-2 2/3
8,625-2 3/8
1. 2/3+5/10= 2/3+2/5= 10/15+6/15= 16/15= 1 1/15
2. 3 1/5+72/100= 320/100+72/100= 392/100= 3,92
3. 4 6/10-2 2/3= 46/10-8/3=460/30 -80/30 =380/30=12 2/3
4. 8,625-2 3/8=8 625/1000- 19/8= 8 5/8- 19/8 = 69/8 - 19/8 = 50/8 =6 1/4
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1. 2/3+5/10= 2/3+2/5= 10/15+6/15= 16/15= 1 1/15
2. 3 1/5+72/100= 320/100+72/100= 392/100= 3,92
3. 4 6/10-2 2/3= 46/10-8/3=460/30 -80/30 =380/30=12 2/3
4. 8,625-2 3/8=8 625/1000- 19/8= 8 5/8- 19/8 = 69/8 - 19/8 = 50/8 =6 1/4