推荐-(15)20以内括号口算专项练习600题ok

20以内填括号口算专项练习600题推荐精选1 ( )+7=19 2 3+( ) =11 3 ( ) +2=18 4 ( )+4=12 5 5+( ) =15 6 ( )-7=7 7 ( )+4=13 8 ( )+5=18 9 ( )+9=13 10 19- ( ) =5 11 ( )+7=19 12 11-( ) =1 13 10-( ) =4 14 ( )-6=8 15 ( )-5=13 16 ( )+19=20 17 ( )+12=15 18 ( )-6=11 19 7+( ) =12 20 6+( ) =18 21 19-( ) =16 22 8+( ) =19 23 18+( ) =20 24 ( ) +13=14 25 ( ) +17=20 26 14-( ) =5 27 ( ) +7=13 28 17-( ) =9 29 10+( ) =16 30 11+( ) =14 31 ( ) -0=13 32 17+( ) =20 33 10-( ) =5 34 7+( ) =16 35 17-( ) =14 36 15+( ) =19 37 13- ( ) =0 38 ( ) -11=7 39 17-( ) =6 40 15+( ) =17 41 ( )-11=9 42 ( )+16=17 43 ( )-9=5 44 ( ) -10=9 45 15-( ) =6 46 7+( ) =12 47 ( ) +8=11 48 4+( ) =19 推荐精选49 19-( ) =12 50 ( ) -16=0 51 19-( )=7 52 ( )+11=19 53 6+( )=19 54 ( )+3=14 55 20-( )=7 56 ( )+8=13 57 14+( )=17 58 15-( )=8 59 ( )-1=11 60 17-( )=12 61 17-( )=11 62 ( )-5=15 63 12+( )=16 64 ( )+5=16 65 12+( )=17 66 ( )+8=13 67 ( )-7=13 68 11+( )=16 69 0+( )=18 70 19-( )=5 71 17-( )=16 72 ( )+12=15 73 9+( )=13 74 ( )+9=14 75 17-( )=14 76 20-( )=9 77 ( )+8=16 78 ( )+7=16 79 ( )-7=3 80 5+( )=12 81 15-( )=9 82 14-( )=11 83 ( )+12=18 84 ( )+11=19 85 ( )-9=6 86 ( )+8=12 87 ( )+3=14 88 ( )+10=18 89 ( )-8=5 90 ( )-7=12 91 19+( )=19 92 ( )+7=15 93 ( )+3=13 94 14-( )=8 95 17-( )=11 96 ( )+13=17 97 18-( )=11 98 15-( )=6 99 ( )+12=18 100 ( )-12=7101 ( )+13=16 102 12+( )=19 推荐精选103 ( ) +8=15 104 ( ) +2=17 105 17-( )=1 106 ( )-13=4 107 ( )+7=19 108 ( ) +3=17 109 ( )+10=16 110 14-( )=11 111 ( )+13=17 112 19-( )=10 113 12+( )=17 114 ( )+9=16 115 ( )+8=15 116 ( )+7=11 117 ( )+5=16 118 ( )-6=12 119 13+( )=19 120 6+( )=15 121 17-( )=14 122 8+( )=14 123 3+( )=16 124 ( )+11=18 125 ( )-8=7 126 15-( )=2 127 ( )+4=14 128 19-( )=15 129 17+( )=18 130 20-( )=19 131 ( )-8=11 132 12+( )=13 133 12-( )=3 134 17+( )=20 135 12+( )=15 136 15-( )=13 137 20-( )=8 138 ( )-10=10 139 17+( )=20 140 6+( )=16 141 ( )-19=0 142 ( )+14=17 143 ( ) +12=18 144 ( ) +3=16 145 12-( )=12 146 10+( )=16 147 ( )-16=3 148 14-( )=3 149 5+( )=17 150 ( ) -7=8 151 16-( )=3 152 ( )-5=14 153 12+( )=18 154 ( ) -5=12 155 16-( )=5 推荐精选156 ( )+7=16 157 12+( )=12 158 13-( )=4 159 20-( )=14 160 20-( )=9 161 19-( )=9 162 ( )-5=13 163 17-( )=10 164 ( )+9=17 165 17-( )=5 166 ( )-13=3 167 ( )-6=14 168 15-( )=4 169 20-( )=8 170 13+( )=20 171 14-( )=14 172 ( )-11=0 173 16-( )=7 174 ( )+7=16 175 20-( )=2 176 5+( )=16 177 ( ) +4=11 178 ( ) +14=18 179 ( )+11=19 180 19-( )=4 181 6-( )=0 182 12+( )=20 183 ( )-18=0 184 ( )-3=11 185 ( )+3=12 186 ( )-6=14 187 ( )-3=15 188 ( )+8=17 189 ( )+12=17 190 ( )-15=2 191 15-( )=11 192 ( )+12=14 193 ( )-15=4 194 20-( )=6 195 16-( )=7 196 ( )-10=2 197 12+( )=17 198 19-( )=18 199 ( )+11=20 200 ( )-19=1201 17-( )=13 202 ( )+16=20 203 ( ) +8=19 204 13+( )=18205 ( ) +15=20 206 20-( )=7 207 10+( )=19 推荐精选208 ( )+16=20 209 ( )+13=18 210 ( ) -12=8 211 4+( )=17 212 ( )+13=17 213 ( ) -4=14 214 17-( )=8 215 13-( )=7 216 19-( )=17 217 13+( )=17 218 17-( )=9 219 ( )+16=17 220 ( )+10=14 221 ( )+7=17 222 ( )+9=15 223 ( )+6=12 224 7+( )=12 225 3+( )=8 226 ( )+5=16 227 17-( )=7 228 ( )-7=6 229 ( )+13=19 230 12+( )=17 231 20-( )=5 232 ( )+5=18 233 ( )-11=6 234 ( )+10=17 235 ( )-14=5 236 ( )+6=19 237 ( )-5=11 238 16-( )=13 239 ( )-4=12 240 ( )+9=13 241 14-( )=12 242 18-( )=17 243 19-( )=15 244 20-( )=16 245 20-( )=5 246 ( )+14=15 247 14+( )=18 248 ( )+6=17 249 ( ) -13=2 250 ( )-5=12 251 ( )-12=6 252 14+( )=17 253 ( ) +16=19 254 15+( )=17 255 ( ) -11=8 256 14+( )=19 257 ( )+6=20 258 ( )+7=14 259 ( ) -14=2 推荐精选260 ( )-4=10 261 ( )-5=13 262 14-( )=6 263 ( )+12=15 264 9+( )=17 265 ( )+12=19 266 13+( )=20 267 15-( )=14 268 ( )+11=17 269 ( )+11=18 270 ( ) -10=6 271 7-( )=2 272 3+( )=9 273 ( )+10=17 274 ( )+5=19 275 ( )+15=17 276 ( )-5=15 277 2+( )=18 278 7+( )=18 279 16-( )=4 280 ( )+8=15 281 ( )+2=11 282 ( )-3=15 283 3+( )=19 284 17+( )=20 285 20-( )=16 286 18+( )=20 287 18-( )=13 288 11+( )=20 289 13-( )=4 290 17-( )=3 291 13+( )=17 292 ( )+14=18 293 ( )+6=14 294 ( )-7=4 295 ( )-6=12 296 ( )+14=20 297 20-( )=2 298 ( )+6=16 299 ( ) +5=17 300 14-( )=3301 ( )+10=13 302 4+( ) =20 303 ( ) +12=18 304 ( )+5=20 305 15+( ) =15 306 ( )-7=11 307 ( )+3=12 308 ( )+6=17 309 ( )+8=14 310 20- ( ) =5 311 ( )+3=14 推荐精选312 17-( ) =11 313 20-( ) =4 314 ( )-11=8 315 ( )-5=12 316 ( )+9=20 317 ( )+7=15 318 ( )-9=11 319 3+( ) =11 320 8+( ) =14 321 20-( ) =12 322 7+( ) =14 323 13+( ) =20 324 ( ) +8=14 325 ( ) +12=20 326 16-( ) =15 327 ( ) +7=13 328 18-( ) =11 329 12+( ) =15 330 13+( ) =17 331 ( ) -10=3 332 17+( ) =19 333 18-( ) =5 334 5+( ) =14 335 18-( ) =6 336 7+( ) =20 337 16- ( ) =10 338 ( ) -12=4 339 15-( ) =6 340 15+( ) =18 341 ( )-10=9 342 ( )+14=17 343 ( )-9=9 344 ( ) -11=7 345 18-( ) =5 346 5+( ) =17 347 ( ) +5=11 348 7+( ) =20 349 12-( ) =3 350 ( ) -12=0 351 15-( )=1 352 ( )+1=16 353 8+( )=17 354 ( )+6=14 推荐精选355 16-( )=2 356 ( )+5=13 357 6+( )=12 358 12-( )=7 359 ( )-11=5 360 18-( )=14 361 16-( )=15 362 ( )-9=6 363 13+( )=16 364 ( )+5=14 365 15+( )=16 366 ( )+5=12 367 ( )-8=12 368 12+( )=17 369 0+( )=13 370 18-( )=5 371 15-( )=5 372 ( )+5=12 373 7+( )=15 374 ( )+9=16 375 5-( )=2 376 20-( )=11 377 ( )+8=14 378 ( )+5=11 379 ( )-7=13 380 9+( )=16 381 20-( )=9 382 20-( )=11 383 ( )+12=20 384 ( )+10=19 385 ( )-9=10 386 ( )+7=13 387 ( )+5=11 388 ( )+17=18 389 ( )-8=4 390 ( )-3=16 391 12+( )=20 392 ( )+8=16 393 ( )+8=12 394 17-( )=8 395 16-( )=12 396 ( )+11=17 397 19-( )=14 398 18-( )=6 399 ( )+5=18 400 ( )-13=7401 ( )+8=16 402 7+( )=19 403 ( ) +6=14 404 ( ) +4=17 405 17-( )=13 406 ( )-13=5 407 ( )+9=19 推荐精选408 ( ) +6=17 409 ( )+8=19 410 14-( )=10 411 ( )+11=20 412 19-( )=16 413 9+( )=17 414 ( )+9=10 415 ( )+8=14 416 ( )+5=12 417 ( )+9=17 418 ( )-7=13 419 6+( )=13 420 8+( )=10 421 17-( )=11 422 11+( )=14 423 13+( )=19 424 ( )+4=18 425 ( )-5=7 426 11-( )=2 427 ( )+7=14 428 10-( )=5 429 7+( )=19 430 19-( )=16 431 ( )-8=12 432 11+( )=20 433 13-( )=3 434 10+( )=20 435 6+( )=15 436 11-( )=2 437 13-( )=2 438 ( )-10=5 439 13+( )=17 440 5+( )=18 441 ( )-16=0 442 ( )+13=18 443 ( ) +6=7 444 ( ) +6=20 445 14-( )=3 446 7+( )=15 447 ( )-12=4 448 16-( )=4 449 8+( )=17 450 ( ) -3=7 451 11-( )=2 452 ( )-4=12 453 14+( )=17 454 ( ) -6=12 455 17-( )=5 456 ( )+3=11 457 10+( )=12 458 13-( )=7 459 19-( )=5 460 20-( )=14 461 19-( )=7 推荐精选462 ( )-5=11 463 13-( )=10 464 ( )+7=15 465 13-( )=4 466 ( )-12=4 467 ( )-8=10 468 18-( )=5 469 20-( )=18 470 12+( )=19 471 17-( )=10 472 ( )-12=0 473 19-( )=17 474 ( )+7=15 475 18-( )=12 476 15+( )=17 477 ( ) +14=18 478 ( ) +13=20 479 ( )+5=14 480 12-( )=6 481 10-( )=2 482 11+( )=16 483 ( )-10=0 484 ( )-3=14 485 ( )+5=12 486 ( )-6=8 487 ( )-7=11 488 ( )+9=18 489 ( )+8=16 490 ( )-8=6 491 17-( )=12 492 ( )+5=17 493 ( )-4=14 494 16-( )=7 495 12-( )=8 496 ( )-11=2 497 17-( )=9 498 12-( )=31 499 ( )+15=19 500 ( )-14=3501 14-( )=10 502 ( )+5=16 503 ( ) +11=17 504 6+( )=19505 ( ) +12=16 506 13-( )=5 507 7+( )=15 508 ( )+4=20 509 ( )+5=18 510 ( ) -6=8 511 14+( )=18 推荐精选512 ( )+6=17 513 ( ) -5=13 514 20-( )=3 515 16-( )=7 516 20-( )=3 517 8+( )=16 518 17-( )=9 519 ( )+13=18 520 ( )+5=14 521 ( )+9=13 522 ( )+8=11 523 ( )+7=14 524 8+( )=12 525 6+( )=8 526 ( )+8=17 527 17-( )=9 528 ( )-10=6 529 ( )+13=20 530 12+( )=20 531 20-( )=5 532 ( )+13=18 533 ( )-12=6 534 ( )+10=18 535 ( )-11=4 536 ( )+8=17 537 ( )-4=8 538 20-( )=3 539 ( )-9=6 540 ( )+7=11 541 19-( )=1 542 12-( )=7 543 14-( )=5 544 13-( )=6 545 16-( )=8 546 ( )+5=12 547 7+( )=19 548 ( )+8=17 549 ( ) -5=12 550 ( )-7=2 551 ( )-2=16 552 9+( )=17 553 ( ) +8=19 554 7+( )=17 555 ( ) -9=8 556 6+( )=19 557 ( )+6=17 558 ( )+5=13 559 ( ) -8=12 560 ( )-7=8 561 ( )-6=14 562 17-( )=8 563 ( )+8=11 564 10+( )=17 565 ( )+13=18 推荐精选566 1+( )=20 567 10-( )=3 568 ( )+5=17 569 ( )+10=18 570 ( ) -12=6 571 17-( )=2 572 3+( )=19 573 ( )+17=20 574 ( )+15=19 575 ( )+3=20 576 ( )-6=11 577 12+( )=20 578 9+( )=17 579 13-( )=4 580 ( )+7=15 581 ( )+2=16 582 ( )-3=14 583 13+( )=17 584 10+( )=20 585 19-( )=6 586 11+( )=14 587 13-( )=3 588 6+( )=10 589 17-( )=14 590 15-( )=1 591 1+( )=16 592 ( )+9=17 593 ( )+5=14 594 ( )-4=4 595 ( )-8=12 596 ( )+3=20 597 10-( )=2 598 ( )+7=16 599 ( ) +5=17 600 46-( )=13601602603 604 （注：可编辑下载，若有不当之处，请指正，谢谢!）605606607 608 609610推荐精选