老师出了25个填空题，规定填对一个给4分，不填或填错倒扣1分，小华得了70分．那么，他共填对多少个题？
直接写得数. 7.2÷9=﹣=+=﹣+= 5﹣=﹣×0=
= ．
直接写得数．========
﹣．
+=+=﹣=+=++=+﹣=﹣﹣=﹣+=
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+
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+
= 5﹣
=
﹣
= ．
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=
=
﹣
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+
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+
=
﹣
=
+
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+
+
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