甲乙两班85人,将乙班的11分之1转到甲班,甲乙两班人数比为9:8,甲班原来多少人?4@-K5o6p7N7t6[+f)R.v:Q5j.e
解:
算式:提示1{;l'R3U;z6c6m4w-^/[9x4@-K5o6p7N7t6[+f)R.v:Q5j.e
答:甲班有7r2p'~*C5{9K.L2@0[人。4@-K5o6p7N7t6[+f)R.v:Q5j.e