如图所示为一个棱长6厘米的正方体，从正方体的底面向内挖去一个最大的圆锥体，剩下的体积是多少立方厘米？
口算 55+37= 80﹣26= 1400﹣800= 2+210= 9+300= 82+0= 1﹣= += ﹣= ．
口算我最棒.+=+=﹣=﹣=+= 1+=﹣0.2=+0.3=+= 1﹣+=﹣﹣=++=
==== 0.32===== 2x+x=
240﹣40÷4= 125×（8+8）= ÷12=6 2000×3+60= 320×11÷32= 1﹣= 24×5﹣25×4= 8×13×25= 4005÷19≈
口算． 300×7= 40+300= 58÷7= 40×8= 720﹣90= 3200﹣3000= 0×800= 45÷9= 5×60= 4+6×4= 604×3≈ 695×9≈ 705+196≈ 397×4≈ 78×5≈+= 1﹣=﹣+= 80﹣20×0=
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﹣
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= 1+
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﹣0.2=
+0.3=
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= 1﹣
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﹣
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= 2x+x=
= 24×5﹣25×4= 8×13×25== 24×5﹣25×4= 8×13×25=
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﹣
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= 80﹣20×0=
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