边脱式边列竖式计算:
844-372-226 900-105-456 801-160-278 = = = = = = 竖式: 竖式: 竖式: 859-567-274 481-21-420 1000-133-665 = = = = = = 竖式: 竖式: 竖式: 814-551-256 729-180-233 1000-221-352 = = = = = = 竖式: 竖式: 竖式: 边脱式边列竖式计算:
844-372-226 900-105-456 801-160-278 = = = = = = 竖式: 竖式: 竖式: 859-567-274 481-21-420 1000-133-665 = = = = = = 竖式: 竖式: 竖式: 814-551-256 729-180-233 1000-221-352 = = = = = = 竖式: 竖式: 竖式: / 1 1
三年级三位数连加连减
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