1、三位数两部混合运算823-556+226 800-712+365 716-321+485 747-658-687= = = = = = =870-680+568 814-705-548 823+556+782 800+712+145= = = = = = =716+321-563 747+658+449 870+680+154 814+705 -456= = = = = = =354-267+290 388+152 118 409 355+223 433+396 187= = = = = = =437+295+475 384+264 27= 236+150 312 494 296+456= =
2、 = = = = =491+349 122 500 55+339 289+512 522 144 223+148= = = = = = =475 152+490 141+181 382 208 206+357 318+104 942= = = = = = =229 42+453 394+190 145 317 314+215 348+282 457 = = = = = = =三位数两部混合运算272 13+459 340 252+257 203 178+135 490 123+31= = = = = = =245 184+78 315 130+272 471 328+254 392+55 23
3、0= = = = = = =417 300+10 0 531 138+166 269 212+329 415+41 396= = = = = = =229+179 75 466+266 45 231 202+247 166 48+295= = = = = = =465 49+222 438+376 137 130 145+162 397 149+118= = = = = = =三位数两部混合运算433+105 295=465 166+272=319 206+481=463 311+174=241 110+497=284+158 207=368 226+162=287+206 382=404+327 209=173 16+274=271+204424=361 338+499=249 207+348=272+213 408=255+215 114=341 246+444=153+147 76=293+113 182=241 96+343=392+308 81=479 103+33=398 190+232=87+59 25=281 268+109=377+375 200=375+45 318=216 19+201=494 402+349=369 139+179=474 61+323=93 54+39=481+272 248=190 110+198=
