问题
填空题
______:12=
|
答案
(1)(2)
=6:8=3:4=(3×3):(4×3)=9:12,6 8
=3:4=3÷4=(3×5)÷(4×5)=15:20;6 8
(3)(4)
=3:4=3÷4=0.75=75%;6 8
所以 9:12=
=15÷20=75%=0.75(用小数表示);6 8
故答案为:9,15,75,0.75.
______:12=
|
(1)(2)
=6:8=3:4=(3×3):(4×3)=9:12,6 8
=3:4=3÷4=(3×5)÷(4×5)=15:20;6 8
(3)(4)
=3:4=3÷4=0.75=75%;6 8
所以 9:12=
=15÷20=75%=0.75(用小数表示);6 8
故答案为:9,15,75,0.75.