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Subjects
Mathematics
Class 7
Algebra
Addition and subtraction of algebraic expressions
5.
Sum of algebraic expressions
Exercise condition:
2
♦
Do the sum of given expression and с
hoose the correct option
.
$(56\mathit{yz}+31\mathit{xy})+(28\mathit{yz}+67\mathit{xy})$
$98\mathit{yz}+84\mathit{xy}$
$84\mathit{yz}+98\mathit{xy}$
$28\mathit{xy}-31\mathit{yz}$
$84\mathit{yz}-98\mathit{xy}$
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