问题 填空题
12
()
=
()
20
=0.75
=______÷8=______%.
答案

0.75=

3
4
=
3×4
4×4
=
12
(16)

0.75=

3
4
=
(3×5)
4×5
=
(15)
20

0.75=3÷4=(3×2)÷(4×2)=(6)÷8,

0.75=(75)%;

故答案为:16,15,6,75.

多项选择题
单项选择题