问题
解答题
化简比. (1)1.5:2 (2)
(3)0.625:1.6. |
答案
(1)1.5:2
=(1.5÷2):(2÷2)
=
:13 4
=3:4;
(2)
:3 4 1 5
=(
×5):(3 4
×5)1 5
=
:115 4
=15:4;
(3)0.625:1.6
=
:5 8 8 5
=(
×5 8
):(5 8
×8 5
)5 8
=
:125 64
=25:64.