问题
填空题
3÷______=
|
答案
0.75=
=3÷(4),3 4
0.75=
=3 4
=3×3 4×3
,(9) 12
0.75=(75)%,
0.75=(七五)成,
故依次为4,9,75,七五.
3÷______=
|
0.75=
=3÷(4),3 4
0.75=
=3 4
=3×3 4×3
,(9) 12
0.75=(75)%,
0.75=(七五)成,
故依次为4,9,75,七五.