合并同类项:-12x2+23x2-56x2=______.-数学

题目简介

合并同类项:-12x2+23x2-56x2=______.-数学

题目详情

合并同类项:-
1
2
x2+
2
3
x2-
5
6
x2=______.
题型:填空题难度:偏易来源:不详

答案

-class="stub"1
2
x2+class="stub"2
3
x2-class="stub"5
6
x2=(-class="stub"1
2
+class="stub"2
3
-class="stub"5
6
)x2=-class="stub"2
3
x2

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