问题
解答题
把1
|
答案
(1)1
:3.21 3
=
:4 3 16 5
=(
×4 3
):(5 16
×16 5
)5 16
=
:15 12
=5:12;
(2)1
:3.21 3
=5:12
=5÷12
=
.5 12
故答案为:5:12;
.5 12
把1
|
(1)1
:3.21 3
=
:4 3 16 5
=(
×4 3
):(5 16
×16 5
)5 16
=
:15 12
=5:12;
(2)1
:3.21 3
=5:12
=5÷12
=
.5 12
故答案为:5:12;
.5 12