文档介绍：三年级数学笔算加法练习
450+68 =
589+225 =
800-799 =
553-77 =
706+395 =
215+89 =
725-304 =
357-243
三年级数学笔算加法练习
450+68 =
589+225 =
800-799 =
553-77 =
706+395 =
215+89 =
725-304 =
357-243
420+125 =
585+309 =
205-169 =
343-256 =
700+169 =
511+479 =
420-359 =
738-117 =
125+394 =
320+135 =
382-138 =
451-254 =
469+306 =
714+180 =
169-79 =
437-65 =
423+198 =
465+72 =
725-433 =
211-17 =
296+197 =
864+89 =
237-169=
293-189 =
218+132 =
245+393 =
900-888 =
329-155 =
241+496 =
201+184 =
649-582 =
1001-795
550+394 =
120+85 =
534-129=
172-89
384+89 =
212+433 =
896-375 =
139-99
478+149 =
394+226 =
151-83 =
162-85
175+105 =
246+108 =
768- 74 =
432-145
600+456 =
226+425 =
305- 48 =
355-155
388+148 =
705+139 =
479-246 =
713-504
139