Examp
(a) 4
(b) 5
Solutio
So, we
Observe the following table and complete it.
owr
00
oo
(+3)+(+21
(-2) + (-1)
(d)/4
+
O
+
+
Let us perform additions with the help of the coloured buttons.
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very very very very gooooooood question
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