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Subjects
Mathematics CBSE
Class 7
Algebraic expressions
Addition and subtraction of algebraic expressions
5.
Sum of algebraic expressions
Exercise condition:
2
m.
Do the sum of given expression and с
hoose the correct option
.
(
51
bc
+
21
ab
)
+
(
87
bc
+
8
ab
)
29
bc
+
138
ab
87
ab
−
21
bc
138
bc
+
29
ab
138
bc
−
29
ab
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