10-(-3 3/7+4 1/14)=-2 3/5*(1 5/13)*1/15=7 1/2:(-1 1/6+2 1/12)=
10-(-3 3/7+4 1/14)=10-(-3 6/14+4 1/14)= 10- 1 5/14= 9 14/14-1 1/14= 8 13/14
-2 3/5 * (1 5/13)*1/15= 13/5*15/13*1/15=1/5
7 1/2:(-1 1/6+2 1/12)=7 1/2: (-1 2/12+ 2 1/12)=7 1/2: 2 1/12=15/2 :25/12= 15/2*2/25= 3/5
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10-(-3 3/7+4 1/14)=10-(-3 6/14+4 1/14)= 10- 1 5/14= 9 14/14-1 1/14= 8 13/14
-2 3/5 * (1 5/13)*1/15= 13/5*15/13*1/15=1/5
7 1/2:(-1 1/6+2 1/12)=7 1/2: (-1 2/12+ 2 1/12)=7 1/2: 2 1/12=15/2 :25/12= 15/2*2/25= 3/5