问题
解答题
|
答案
:3 7 1 2
=(
×14):(3 7
×14)1 2
=6:7
12:3 8
=(12×
):(8 3
×3 8
)8 3
=32:1
:0.37 9
=(
×90):(0.3×90)7 9
=70:27
|
:3 7 1 2
=(
×14):(3 7
×14)1 2
=6:7
12:3 8
=(12×
):(8 3
×3 8
)8 3
=32:1
:0.37 9
=(
×90):(0.3×90)7 9
=70:27