小红一家四口人和小丽一家三口人到饭店吃饭,餐费总共是210元,两家决定实行AA制,按人数分摊餐费,两家各应付多少元?7Q.s1`/M:o'z(I-l)L4V.|6\
算式:提示8n,`5}+z2d)],]3_7Q.s1`/M:o'z(I-l)L4V.|6\
答:小红家应付120元,小丽家应付)W.F:K)H'n/s;e8u'H;y元。7Q.s1`/M:o'z(I-l)L4V.|6\