题目内容
( )+
=______×
=
÷______=______-
=______:4=0.5.
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(
)+
=(2)×
=
÷(
)=(
)-
=(2):4=0.5;
故答案为:
,2,
,
,2.
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故答案为:
| 1 |
| 4 |
| 1 |
| 2 |
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| 4 |
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