380÷70的竖式计算如下:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/562c11dfa9ec8a13ceed122bfa03918fa1ecc002?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
解答过程如下:
(1)第一步按照除法竖式的计算法则,先写出被除数,除数和除号,如下图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/11385343fbf2b21174c0c085c78065380dd78e0b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
(2)第二步从被除数的高位起,先看除数有几位,再用除数试除被除数的前几位,如果它比除数小,再试除多一位数;除到被除数的哪一位,就在那一位上面写上商。38不够70除,需要看到38的下一位380,380除以70,可以在380的个位上写5,如下图:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8cb1cb1349540923fe6e27b59f58d109b2de49f1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
(3)然后用5乘以70,乘得的结果写在对应的数位下面,如下图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b21bb051f8198618b838ab4f47ed2e738ad4e6fa?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
(4)作差,用380-350,得到的结果为30,留作余数,如下图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/43a7d933c895d143c07ba0e87ef082025baf07ef?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)