来自宋泽军的问题
有两道算术题要简算(1)20042005*20052004-20042004*20052005(2)(1+0.12+0.23)*(0.12+0.23+0.34)-(1+0.12+0.23+0.34)*(0.12+0.73)
有两道算术题要简算
(1)20042005*20052004-20042004*20052005
(2)(1+0.12+0.23)*(0.12+0.23+0.34)-(1+0.12+0.23+0.34)*(0.12+0.73)
1回答
2020-02-29 19:15