2,4,6,0搭配成3位数与一位数相乘的算式,你知道有多少种不同的积吗?

问题描述:

2,4,6,0搭配成3位数与一位数相乘的算式,你知道有多少种不同的积吗?

246,260,240,264,206,204,426,462,460,406,420,402,624,642,604,640,602,620分别乘0—9,共180种246,260,240,264,206,204,426,462,460,406,420,402,624,642,604,640,602,620这些可用4x6-6得18种得到4x6指2,4,6,0分别...