3
Example 1. Add. 53 + 2
sź + 2
4
Method II
Method I
3
5x 2 +1
2x4+3
+
4
3
sź +2
1 3
= 5 + 2 + +
4
2
$5 + 2
4
11
11
3
+
4
2
1x2
= 7+
2x2
+
4
11x2
11
3
2x2
4.
2.
= 7 +
4
+
4
33
22
2+3
4
4
= 7 +
=
= 7 +
4
4.
1
= 8
= 8
= 7 + 1 +
4
4
4
Answers
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