6.脱式计算(能简算的要简算)
70.8-1.25-1.75 | 5.82+8.3+4.18+11.7 | 51.8-4.8×(2.03-0.1) |
0.25×17.3×0.9 | 7.2×(10+2) | 3.54×0.29-0.29×2.54 |
5.直接写出得数
0 155368 155376 155382 155386 155392 155394 155398 155404 155406 155412 155418 155422 155424 155428 155434 155436 155442 155446 155448 155452 155454 155458 155460 155462 155463 155464 155466 155467 155468 155470 155472 155476 155478 155482 155484 155488 155494 155496 155502 155506 155508 155512 155518 155524 155526 155532 155536 155538 155544 155548 155554 155562 199269
1-0.25= | 9.4+1.7= | 10-0.8= | 5.6+2.6= |
90.7-6= | 5.97×34.3= | 0.4×3= | 3.26+100= |
9.9×8.8= | 0.25×40= | 34×9.2= | 12-10.09= |
4.7×0.9= | 0.9-0.56= | 2.7×7.2= | 3.78+1.22= |