1,729<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 22.67px; height: 13.33px;"><img alt='&lt;math style="font-family:Arial" xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;msup&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/msup&gt;&lt;/math&gt;' src="https://img-question-vn.ruangguru.com/giW_rmedStjAn1eTIzeb9Pq0Jinv1qlYZ81Ebo7a5ogNBpu_byIkVvPTRpqbmxPt7ntnE-pUSp1lRleNHoJZvoS2yJoWOLRQo8HmJdJo1FFHsC7LSIJGFx5onai2jGjEs-QBiNxC" style="width: 22.67px; height: 13.33px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="m squared"/>

1,728<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 22.67px; height: 13.33px;"><img alt='&lt;math style="font-family:Arial" xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;msup&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/msup&gt;&lt;/math&gt;' src="https://img-question-vn.ruangguru.com/giW_rmedStjAn1eTIzeb9Pq0Jinv1qlYZ81Ebo7a5ogNBpu_byIkVvPTRpqbmxPt7ntnE-pUSp1lRleNHoJZvoS2yJoWOLRQo8HmJdJo1FFHsC7LSIJGFx5onai2jGjEs-QBiNxC" style="width: 22.67px; height: 13.33px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="m squared"/>

17,28<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 22.67px; height: 13.33px;"><img alt='&lt;math style="font-family:Arial" xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;msup&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/msup&gt;&lt;/math&gt;' src="https://img-question-vn.ruangguru.com/giW_rmedStjAn1eTIzeb9Pq0Jinv1qlYZ81Ebo7a5ogNBpu_byIkVvPTRpqbmxPt7ntnE-pUSp1lRleNHoJZvoS2yJoWOLRQo8HmJdJo1FFHsC7LSIJGFx5onai2jGjEs-QBiNxC" style="width: 22.67px; height: 13.33px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="m squared"/>

Một bể c&aacute;, c&oacute; k&iacute;ch thước như h&igrave;nh vẽ. T&iacute;nh thể t&iacute;ch bể c&aacute; đ&oacute;?

<img alt="" src="https://img-question-vn.ruangguru.com/jrY2g_FOCkansaimiykxPnMyC9uDKLYjU5lGGEWUpBdW607xf78qQmAiSQAr1iiYR3sBgg7w9kvz_uvbh7UbPq4cuWGIJ9wUlenvxAFNHM9s2SIwC3x7GLJ81Hz38eWEE2doAdSd" style="width: 250px; height: 168px;" />

9<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 22.67px; height: 13.33px;"><img alt='&lt;math style="font-family:Arial" xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;msup&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/msup&gt;&lt;/math&gt;' src="https://img-question-vn.ruangguru.com/giW_rmedStjAn1eTIzeb9Pq0Jinv1qlYZ81Ebo7a5ogNBpu_byIkVvPTRpqbmxPt7ntnE-pUSp1lRleNHoJZvoS2yJoWOLRQo8HmJdJo1FFHsC7LSIJGFx5onai2jGjEs-QBiNxC" style="width: 22.67px; height: 13.33px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="m squared"/>

3,375<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 22.67px; height: 13.33px;"><img alt='&lt;math style="font-family:Arial" xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;msup&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/msup&gt;&lt;/math&gt;' src="https://img-question-vn.ruangguru.com/giW_rmedStjAn1eTIzeb9Pq0Jinv1qlYZ81Ebo7a5ogNBpu_byIkVvPTRpqbmxPt7ntnE-pUSp1lRleNHoJZvoS2yJoWOLRQo8HmJdJo1FFHsC7LSIJGFx5onai2jGjEs-QBiNxC" style="width: 22.67px; height: 13.33px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="m squared"/>

13,5<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 22.67px; height: 13.33px;"><img alt='&lt;math style="font-family:Arial" xmlns="http://www.w3.org/1998/Math/MathML"&gt;&lt;msup&gt;&lt;mi&gt;m&lt;/mi&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/msup&gt;&lt;/math&gt;' src="https://img-question-vn.ruangguru.com/giW_rmedStjAn1eTIzeb9Pq0Jinv1qlYZ81Ebo7a5ogNBpu_byIkVvPTRpqbmxPt7ntnE-pUSp1lRleNHoJZvoS2yJoWOLRQo8HmJdJo1FFHsC7LSIJGFx5onai2jGjEs-QBiNxC" style="width: 22.67px; height: 13.33px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="m squared"/>

Thể t&iacute;ch của h&igrave;nh lập phương c&oacute; cạnh&nbsp;1,5cm l&agrave;:

<img alt="" src="https://img-question-vn.ruangguru.com/cxTnpipqNxFPnMQo27ArkzcG4VgBxpqxnXb0mtm2sgCD4bZqLTWPSPWWLqZI4r0kSd5bWgQv2nWMH4ifxFLRVL3Ea0L0cYicf-Q_G5H_ruqziiSFP_Wg2uY97q9oJgRBoe2WKCnB" style="width: 140px; height: 132px;" />

Quả cầu, hòn bi, quả trứng gà, quả bóng đá.

Quả cầu, quả dưa hấu, quả trứng gà, quả bóng đá.

Quả địa cầu, hòn bi, quả bóng bàn, quả bóng đá.

Dòng nào dưới đây chỉ những sự vật mang dạng hình cầu?

0,5m

0,15m

0,75m

Một cái bể dạng hình hộp chữ nhật có chiều dài 1,5m, chiều rộng là 1,2m và chiều cao là 0,9m. Bể đã hết nước. Người ta đổ 30 lần nước vào bể, mỗi lần đổ được 45 lít. Hỏi mặt nước còn cách mặt bể bao nhiêu mét?

2 lần

4 lần

8 lần

Thể tích khối hình lập phương tăng lên bao nhiêu lần nếu cạnh của hình lập phương tăng lên 2 lần?