www.yhzp.net > 500E9列竖式计算等于41怎么讲解?

500E9列竖式计算等于41怎么讲解?

(t)t如6×如8=t5如8; (如)t如e×t如=t968; (t)如e9×t6=t98e; (e)如5t×如e=6三如e.

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