问题
解答题
|
答案
(1)1:0.375,
=(1×1000):(0.375×100),
=1000:375,
=(1000÷125):(375÷125),
=8:3;
(2)
:3 10
,1 4
=(
×20):(3 10
×20),1 4
=6:5;
(3)0.625:
,3 8
=0.625:0.375,
=625:375,
=(625÷125):(375:125),
=5:3.
|
(1)1:0.375,
=(1×1000):(0.375×100),
=1000:375,
=(1000÷125):(375÷125),
=8:3;
(2)
:3 10
,1 4
=(
×20):(3 10
×20),1 4
=6:5;
(3)0.625:
,3 8
=0.625:0.375,
=625:375,
=(625÷125):(375:125),
=5:3.