616161……61,1992位除以7的余数是多少?7Q+^,`4a.G.a-E4}'d1c
算式:提示3\(E,Q(n,W5B6Z7Q+^,`4a.G.a-E4}'d1c
答:616161……61,1992位除以7的余数是+G2\*R9\。7Q+^,`4a.G.a-E4}'d1c