100以内数的加减法

绿色行动--信息窗二dydx.999askjnnpx.999askbddx.999askxxbdf.999askxynpxyjy.999askfxbdf.999askhanzhongdx.999asklcdxyy.999askxyfkyy.999askxgdx.999asksmnpxyy.999askeedsbdf.999askszsdx.999askyknpx.999askjlfk.999askeznpx.999askxnbdfyy.999asktldxyy.999asksydxyjy.999askhhhtnpx.999askjdzdx.999askjadx.999askhndx.999askggnpx.999askhgfkyy.999askwxfk.999askjndx.999asktznk.999askgzbdfyy.999askhzdxzkyy.999askwxdx.999askhlddx.999askgznpx.999askhgdxyy.999askzznkzkyy.999askpenpx.999asktjnpx.999askwhbdf.999askbtdx.999askhldbdf.999askliaoyangnpx.999askyichundx.999askyfnpx.999askhzfk.999asknydx.999asksysnk.999asksznpxyy.999askxybdfyy.999askfynk.999askbzdxyjy.999askjnnkyy.999askgynk.999askhsnkyy.999askhsfkyy.999askyydxyy.999askxydxyy.999askytdxyy.999askpfxb.999asknpx.999askxgl.999asknzl.999askyzjptc.999askbyby.999askscsjt.999askbptx.999askwybb.999askqlxzs.999askgjml.999askyc.999askyxb.999askys.8660813ys.8672590ys.8688060ys.8693078ys.8693962ys.8720752ys.8722031ys.8737115ys.8737953ys.8738257ys.8751262ys.8757170ys.8757239ys.8792915ys.8799132ys.8807356ys.8860109ys.8890952ys.8909736ys.8918250ys.8923986ys.8925907ys.8927125ys.8930283ys.8930676ys.8932807ys.8937800ys.8950058ys.8956312ys.89629371比一比，谁的速度快！25+4=71+2=25+40=71+20=34+3=2+36=34+30=20+36=Page

2Page

3一班一共要挂多少个牌子？27+6=(个)10用小棒Page

427＋6＝7+6=1320+13=3333Page

5百十个计数器27+3=3030+3=33Page

6二班一共要挂多少个牌子?Page

7算一算,比一比7+6=27+6=9+5=39+5=6+4=56+4=133314441060Page

8√下面的计算对吗？把不对的改正过来。64+8=727+73=8036+8=453+58=6045-5=358+48=5582-60=2239-7=33√564044√6132Page

9学校里打篮球的有2