23/17-(1/7+3/17)×2=23/17-6/17-2/7=17/17-2/7=1-2/7=5/7
23/17-(1/7+3/17)×2答案等于多少?23/17-(1/7+3/17)×2=23/17-2/7-6/17=1-2/7=5/7