苏教版一年级数学?0?017?018?- 百度文库 ر

12 һǰ79ǣ 2. һ롣

1ͬѧŶ٣Сǰ4ˣ4ˣһһж?

2ͬѧŶ٣ǰСŵ4ӺСŵ5һһжˣ

3 18ݮ56˶ٸ10֣

417-4-10=3֧һ⡣10֣

5 10ǰУ 6ǣ 6ǰǣ (6) 1ʮ5һǣ (7)2ʮɵǣ

(8)141ǣ 141ǣ (9) 17ڵֱǣ ͣ

(10) 16У ʮͣ һ

(11) 1ʮ5һǣ 1ʮͣ һǣ (12) 18ڵǣ ͣ (13) 1610ࣨ 814٣

(14) 12ǰһǣ һǣ (15) 14У һͣ ʮ (16) 9һ1ʮǣ

(17) 10ǰһǣ һǣ (18) 20У ʮ

(19) ұ17С15ǣ (20) 1412֮䣬ǣ (21) 13ĸλǣ ʮλǣ 3ڿ

813 612 1914 1711 4Ӧ

Һ8ˡǰ6ˡһж?

СŶϷ5ֻСãұ6ֻСãһжֻСϷ10֣

ٶӵͬѧų2٣һ6ˣһ9ˣһˣ

Сһ飬쿴9ҳ쿴8ҳСһ˶ҳ

һȺŶϳǰŵӺǰŵ3һ㣬һŹжˣ

ո9飬ְָ5Сȥ2ոջм飿