题目内容

0.7×0.6=7.6-0.6=
3.3÷3=6÷5=
3a+2a=6x-2x=
3a-2y+2a=4b+b-4b．

解：0.7×0.6=0.427.6-0.6=7
3.3÷3=1.16÷5=1.2
3a+2a=5a6x-2x=4x
3a-2y+2a=5a-2y4b+b-4b=b．

分析：根据小数四则运算的计算方法解答．
点评：本题主要考查了学生对于小数四则运算计算方法的掌握．
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．
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=		 5.3+0.5= 46+18=
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8
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4
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2
+
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4
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6
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2
3
+
1
6
=
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2
-
1
3
=
7
9
+
1
9
=
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（2013?陇川县模拟）把
2
3
、0.6、66.7%、0.6
?
7
按照从小到大的顺序排列
0.6＜
2
3
＜66.7%＜0.6
?
7
0.6＜
2
3
＜66.7%＜0.6
?
7
．

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