实验小学三（1）班数学课外小组的同学到九仙山自然保护区采集植物标本，其中一组8人共采集标本478个，那么平均每人采集标本大约多少个？
直接写得数×=×21=×=×= 32×=×=×=×5=
直接写得数．=======（﹣）×30=
直接写出得数． 14×=×5=×= 12×= 3×= 7×= 4.8+0.82= 3﹣2.7=（+2）×9=（﹣）×2=
口算题．×=×=×9=××0=+=×11= 5﹣﹣=×9×7=
口算×15=×2=×=×=×= 1×=×=×34=×=×=×=×=×=×=×=×24=×=×30= 28×=×=
×
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×21=
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×
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×5=
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=（
﹣
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×5=
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= 12×
= 3×
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= 4.8+0.82= 3
﹣2.7=（
+2）×9=（
﹣
）×2=
×
=
×
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×9=
×
×0=
+
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×11= 5﹣
﹣
=
×9×7=
×15=
×2=
×
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×
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×
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×
=
×34=
×
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×
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×
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×
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×
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×
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×
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×24=
×
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×30= 28×
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×
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