How many more 9'' x 9'' linoleum tiles than 1'x1' tiles will it take to cover a 12'x12' floor?

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How many more 9'' x 9'' linoleum tiles than 1'x1' tiles will it take to cover a 12'x12' floor?

How many more 9'' x 9'' linoleum tiles than 1'x1' tiles will it take to cover a 12'x12' floor?
How many more 9'' x 9'' linoleum tiles than 1'x1' tiles will it take to cover a 12'x12' floor?

How many more 9'' x 9'' linoleum tiles than 1'x1' tiles will it take to cover a 12'x12' floor?
选择:10,000 1,000 100 10 1 好的加分 A队在本赛季打成平手局数倍啦 【当然,不一定对的啊.咱都不是老师 :)】 参考资料:自己的

同样是铺满一块12英尺见方的地面,如果用边长9英寸的方块来铺,比使用边长1英尺的方块多需要几块?
解此题唯一需要注意的地方是一英尺等于十二英寸。
12*12*12*12/9/9 - 12*12 = 256 - 144 = 112
因此多需要112块。