Решите преимеры:
1)2/9+5/6;
2)1-5/17;
3)6-13/9
4)7/3-3/2
5)8/7+59/28
6)31/6-17/4
7)1/4+1/12+2/3
1)2/9+5/6;
2)1-5/17;
3)6-13/9
4)7/3-3/2
5)8/7+59/28
6)31/6-17/4
7)1/4+1/12+2/3
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Answers & Comments
4)7/3-3/2=14/6-9/6=5/6
5)8/7-59/28=32/28-59/28=-26/28=-13/14
6)31/6-17/4=124/24-102/24=22/24=11/12
7)1/4+1/12+2/3=3/12+1/12+8/12=12/12=1