①1.2元+5.6元=
②3.5元+10.2元=
③0.8元+1.1元=
④6.8元-5.3元=
⑤13.6元-3.5元=
⑥9.5元-0.4元=
700-399+125
652-97+355
165+435+377
500-196-204
382+107-289
328+396+204
900-281-430
468+376-168
859-162-88
251+369+142
738-50-120
174+726-378
①28×3=
②512×4=
③361×2=
④46×2=
⑤116×5=
⑥29×3=
21×5105 419﹣225409﹣225
73﹣5920 130×7170×3
2﹣30%= +25%= 4.23﹣23%= ×=
3+= 4×15%= = +50%=