题目内容
| 化简比. 56:32= | 1.8:0.09= |
| ||||||
| 4.6:6.9= |
|
(1)56:32
=(56÷8):(32÷8)
=7:4;
(2)1.8:0.09
=(1.8×100):(0.09×100)
=180:9
=(180÷9):(9÷9)
=20:1;
(3)
=
=
;
(4)
:
=(
×15):(
×15)
=5:6;
(5)4.6:6.9
=(4.6×10):(6.9×10)
=46:69
=(46÷23):(69÷23)
=2:3;
(6)
:0.25
=
:
=(
×8):(
×8)
=3:2.
=(56÷8):(32÷8)
=7:4;
(2)1.8:0.09
=(1.8×100):(0.09×100)
=180:9
=(180÷9):(9÷9)
=20:1;
(3)
| 2 |
| 46 |
| (2÷2) |
| (46÷2) |
| 1 |
| 23 |
(4)
| 1 |
| 3 |
| 2 |
| 5 |
=(
| 1 |
| 3 |
| 2 |
| 5 |
=5:6;
(5)4.6:6.9
=(4.6×10):(6.9×10)
=46:69
=(46÷23):(69÷23)
=2:3;
(6)
| 3 |
| 8 |
=
| 3 |
| 8 |
| 1 |
| 4 |
=(
| 3 |
| 8 |
| 1 |
| 4 |
=3:2.
练习册系列答案
相关题目