3个3位数加减法计算题 100道 用时: 错误:
458 + 253 - 627 = 673 - 537 + 360 = 839 + 105 - 673 =
173 + 113 + 538 = 135 + 617 - 675 = 621 + 116 + 145 =
877 - 550 515 - 470 173 + 162 160 + 185 231 + 378 230 + 478 154 + 390 358 + 402 150 + 299 136 = 721 = 138 = 287 = 233 = 204 = 406 = 183 = 421 = 223 +589 +697 +287 +621 -385 -685 +598 -198 +197 + 262 = 367 - 562 = 288 - 513 = 247 + 114 = 116 + 145 = 355 + 786 = 128 + 120 = 253 + 428 = 629 - 650 = 265 + 538 + 390 + 253 + 535 - 656 - 544 + 298 + 404 -602 -332 -208 +627 -242 +470 +128 -481 +127 +384 =
438 =
384 =
397 =
453 =
523 =
319 =
193 =
517 =
+ + + + + - + + +
481 + 116 + 344 = 272 + 527 - 491 = 880 - 564 + 423 =
217 + 401 + 381 = 223 - 197 + 262 = 115 + 845 - 943 =
502 + 493 - 870 = 174 + 815 - 320 = 332 + 438 - 474 =
237 + 173 214 + 311 294 + 390 291 + 299 237 - 173 471 - 230 276 + 272 150 + 299 122 + 410 113 = 396 = 208 = 222 = 113 = 478 = 127 = 421 = 171 = 281 +789 -204 +227 +525 +317 -214 +612 +843 -413 -578 +425 -287 +356 -253 +311 -230 -559 +357 = 140 = 530 = 247 = 587 = 825 = 396 = 279 = 223 = 356 +598 +544 +723 -625 +558 +589 -163 +238 +587 -253 -128 +572 +207 +105 +367 +276 +465 +667 =
428 =
319 =
484 =
131 =
170 =
562 =
272 =
146 =
+ + + + + + + - +
386 + 125 - 133 = 376 + 239 + 267 = 717 - 449 + 660 =
761 - 182 + 299 = 543 + 193 - 671 = 193 + 603 + 117 =
603 - 315 + 184 = 170 - 126 + 493 = 449 + 137 - 108 =
322 +155 +363 -113 +284 -674 +437 +398 -113 + 158 = 159 + 653 = 262 + 416 = 524 + 305 = 260 + 969 = 307 - 607 = 546 - 347 = 195 + 326 = 389 +364 +380 -661 +190 +236 +467 +216 + 118 = 376 - 390 = 329 + 253 = 330 - 756 = 513 - 131 = 238 + 465 = 337 - 660 = 387 -117 +386 +107 +886 -440 +854 -220 +615 -125 +729 -501 +251 +732 +339 =
290 =
133 =
424 =
355 =
242 =
428 =
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