题目内容
四、五、六年级为地震灾区捐款,六年级比五年级多
,五年级比四年级多
,六年级比四年级多几分之几?
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(1+
)×(1+
)-1
=
×
-1,
=
-1,
=
.
答:六年级比四年级多
.
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=
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| 5 |
| 6 |
| 5 |
=
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=
| 11 |
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答:六年级比四年级多
| 11 |
| 25 |
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