同学们修补图书，计划每天修补56本，5天修完。实际每天修补70本，实际多少天修补完？+H(s6Y/G6h4D
算式：提示6h8C2G;I-E;\;V8i+H(s6Y/G6h4D
答：实际多4U;m'{8{7\8C7c9y(Q,g;I修补完。+H(s6Y/G6h4D