在一块平行四边形地里共收稻谷32400千克．已知平行四边行地的底边长450米，高120米，平均每公顷的稻谷产量是多少千克？
直接写出得数．×=÷= 1.25×8= 1﹣+=+= 75×10%=÷3﹣= 9﹣0.9=
用你喜欢的方法计算下面各题× 36÷××+× （+）×1518÷÷ 2﹣÷﹣ [1﹣（+）]÷．
直接写出得数．========
直接与出得数．= 0×===== 14÷===
直接写出下面各题的得数．﹣= 4÷= 7×= 2﹣=÷=+= 10÷= 10×= 3.14×2= 0÷3.14= 25×= 1+=÷=×=++=×=（﹣）×0= 6÷=（﹣）×30= 3.14×4=
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= 1.25×8= 1﹣
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=
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= 75×10%=
= 9﹣0.9=
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36÷
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×
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×
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）×1518÷
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﹣
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=
=
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= 0×
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= 14÷
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﹣
= 4÷
= 7×
= 2﹣
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= 10×
= 3.14×2= 0÷3.14=
= 1+
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×
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﹣
）×0= 6÷
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﹣
）×30= 3.14×4=
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