4年级 下册 - 加法交换律和结合律
练习题数量: 100
算巧巧-口算天天练

494 + 375 =
470 + 367 =
219 - 200 + 340 =
368 + 64 =
371 + 347 =
399 + 128 + 82 =
476 - 76 - 70 =
131 + 131 + 351 =
61 + 223 =
15 + 486 =
2 + 248 =
309 - 81 + 455 =
307 + 95 =
272 + 448 =
11 + 491 =
89 + 248 =
46 + 325 =
149 + 102 =
74 + 326 =
183 + 474 =
251 + 222 + 71 =
149 + 372 =
38 + 350 =
197 + 344 =
186 - 82 + 259 =
61 + 220 =
469 - 114 + 118 =
330 - 39 - 94 =
289 - 127 - 88 =
416 + 218 =
441 + 164 =
276 + 210 + 237 =
487 - 115 - 21 =
389 + 247 =
424 - 53 - 122 =
318 - 113 - 103 =
277 + 332 =
72 + 284 + 495 =
460 - 85 + 429 =
348 - 129 - 111 =
143 + 452 =
163 - 55 + 109 =
257 - 32 - 98 =
202 + 422 =
172 + 383 =
427 + 197 =
498 - 25 + 191 =
22 + 136 =
313 - 199 + 198 =
254 - 78 - 125 =
79 + 156 =
218 + 441 + 141 =
123 - 89 + 245 =
204 + 238 =
63 + 245 + 496 =
422 + 290 =
65 + 192 + 28 =
295 + 415 =
403 + 320 + 372 =
264 + 113 =
446 - 142 - 104 =
154 + 481 =
148 + 32 + 440 =
257 - 132 + 205 =
368 - 55 - 146 =
312 - 51 + 156 =
286 - 53 - 143 =
191 + 380 =
477 + 412 =
317 - 163 - 97 =
390 - 59 + 52 =
293 + 138 =
436 + 285 =
384 + 336 =
45 + 65 =
473 - 137 - 141 =
406 + 333 =
466 - 56 - 94 =
90 + 444 =
296 + 246 =
86 + 272 + 114 =
487 + 390 =
299 - 76 - 87 =
388 + 476 =
202 + 136 =
280 + 485 + 435 =
347 + 247 =
218 + 233 =
483 - 113 - 87 =
309 + 119 + 24 =
223 - 151 + 439 =
351 - 28 - 135 =
274 - 220 + 347 =
466 + 194 + 135 =
65 + 224 + 78 =
207 + 62 + 332 =
400 + 79 + 36 =
205 - 92 + 307 =
381 + 18 =
23 + 115 =