Ответ:
1) 11-4*1/12=7/2
2)2*16-3*3/42= 23/42
3)17-8*2/72=1/72
4)3*21-5*8/75=23/75
5)1/2-1*3/2*3=1-1/2=0
6)3*5-2*5/48=5/48
7)3*4-11/27=1/27
8)2*27-7*5/98=19/98
*деление в дробях*
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Ответ:
1) 11-4*1/12=7/2
2)2*16-3*3/42= 23/42
3)17-8*2/72=1/72
4)3*21-5*8/75=23/75
5)1/2-1*3/2*3=1-1/2=0
6)3*5-2*5/48=5/48
7)3*4-11/27=1/27
8)2*27-7*5/98=19/98
*деление в дробях*