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Algebra Expressions 4 (substitution)
供稿人: Heseltine
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2(
2(
=
2(
=
2(
)+(
)+(
)+(
)+2(
)=
)+8=
16
)+8=
)+8=
18
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=
2(5)+3
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(order of expression)
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(order of expression)
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Without brackets/grouping:
2(2(5)+2)
?
4(5)+2(2)
?
(order of expression)
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(order of expression)
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Without brackets:
(order of expression)
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(order of expression)
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(order of expression)
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With brackets:
Without brackets:
(order of expression)
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With brackets:
Without brackets:
(order of expression)
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With brackets:
Without brackets:
(order of expression)
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With brackets:
Without brackets:
(order of expression)
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