几道计算题,1.(17/2-6.5*17/13)/(5.75+7/3+1/4)
问题描述:
几道计算题,
1.(17/2-6.5*17/13)/(5.75+7/3+1/4)
答
分子17/2-6.5*17/13=8.5-6.5/13*1)=8.5-0.5*17=8.5-8.5=0
所以分母已经不用算了
整个题目答案为0
分母=5.75+2.33(3循环)+0.25=8.33(3循环)
答
(17/2-6.5*17/13)/(5.75+7/3+1/4)
=(17/2-13/2 * 17/13)/(5.75+7/3+1/4)
=(17/2-17/2)/(5.75+7/3+1/4)
=0/(5.75+7/3+1/4)
=0