Question

238除以238又239分之238 怎样计算

快
238/238又239分之238

Answer 1

答案239/240
238÷(238+238/239)
原式=238÷
[(238×239)/239
+
238/239]
=238÷
{
[238×(239+1)]/239}
=238÷
[(238×240)/239]
=238×
[239/(238×240)]
=239/240
很详细了。

Answer 2

238/(238+238/239)
=238/[238+(238+1-1)/239]
=238/(239-1/239)
=238/[(239^2-1)/239]
=(238*239)/[(239+1)*(239-1)]
=239/240-.-

Answer 3

等于238除以(238+238/239)

=1+239
=240

Answer 4

238/[238+238/239]

=238/[238(1+1/239]

=1/[1+1/239]

=1/[240/239]

=239/240

Answer 5

239/240
解原式
=238/((238+238*239)/239）=238/(238*240/239)=238*(239/238*240）=239/240