51-38=

51-38=
I gonna do one minus eight first,one can not minus eight so I borrow one from five.I know that the result is 3 then I write it at the end of the answer.five had lent one to one on the unit so four minus three equals one...put one at the first of the answer so the answer is thirty...
就是像这种解释方式,
勉强用那可怜的语法和词汇量翻译了一点.但是有些还是解释不出来,- -
5 1
3 8
—
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1 3
为了这个我已经进入崩溃的状态..
如果可以的话
可不可以也帮解释下1/6×1/9的解题过程呢?
咱在这里先谢过了!
呃,改正改正语法。- -five had lent one to the one which is on the unit,four minus three equals one...
So the answer is thirteen...脑袋急得发热了呃。- -
需要的是解题过程,老师跟我们强调过的。= =