2000
+
____________________
+
200
+
100
+
____________________
+
9
=
5349
1000
+
2000
+
____________________
+
300
+
____________________
+
20
+
4
=
3784
____________________
+
4000
+
300
+
100
+
200
+
40
+
____________________
+
30
+
4
+
3
=
9697
(
____________________
x
1000
)
+
(
____________________
x
100
)
+
(
2
x
10
)
+
(
6
x
1
)
=
3426
(
____________________
x
1000
)
+
(
6
x
100
)
+
(
____________________
x
10
)
+
(
4
x
1
)
=
267
4
