7/3-(6/13÷9/26+3/8)=7/3-[6/13*(26/9)+3/8]=7/3-(4/3+3/8)=7/3-4/3-3/8=1-3/8=5/8
4/25÷[(2/5+1/3)×9/11]=4/25÷[(11/15)×(9/11)]=4/25/(3/5)=4/25*(5/3)=4/15
(1/2+2/3-5/18)÷1/36 =(1/2+2/3-5/18)*36 =36*1/2+36*2/3-36*5/18=18+24-10=32
7/3-(6/13÷9/26+3/8)=7/3-[6/13*(26/9)+3/8]=7/3-(4/3+3/8)=7/3-4/3-3/8=1-3/8=5/8
4/25÷[(2/5+1/3)×9/11]=4/25÷[(11/15)×(9/11)]=4/25/(3/5)=4/25*(5/3)=4/15
(1/2+2/3-5/18)÷1/36 =(1/2+2/3-5/18)*36 =36*1/2+36*2/3-36*5/18=18+24-10=32