X:514=310:7204X=13:30%47÷421×X=8927×58=18÷34=125×1.6=12.56÷6.28=7×17÷7×17=45-13=3.14×5=3.14×40=75×10%=13÷3-19=-六年级数学
5 |
14 |
3 |
10 |
7 |
20 |
20 |
7 |
3 |
28 |
20 |
7 |
x=
15 |
49 |
(2)
4 |
X |
1 |
3 |
1 |
3 |
1 |
3 |
x=3.6;
(3)
4 |
7 |
4 |
21 |
8 |
9 |
3x=
8 |
9 |
3x÷3=
8 |
9 |
x=
8 |
27 |
(4)
2 |
7 |
5 |
8 |
5 |
28 |
(5)
1 |
8 |
3 |
4 |
1 |
6 |
(6)125×1.6=200;
(7)12.56÷6.28=2;
(8)7×