问题
填空题
|
答案
(1)
:1 5
,1 3
=
÷1 5
,1 3
=
×3,1 5
=
;3 5
(2)4:0.8=(4×10):(0.8×10),
=40:8,
=(40÷8):(8÷8),
=5:1;
故答案为:
,5:1.3 5
|
(1)
:1 5
,1 3
=
÷1 5
,1 3
=
×3,1 5
=
;3 5
(2)4:0.8=(4×10):(0.8×10),
=40:8,
=(40÷8):(8÷8),
=5:1;
故答案为:
,5:1.3 5