本课配套习题挑战模式1/5
A: 1:2:3 |
B: 3:2:1 |
C: 1:1:1 |
D: 9:4:1 |
- 提示1:IOW3suefpeWvhuW6puS5i+avlOS4ujPvvJoy77yaMe+8jOmrmOW6puebuOetie+8jOWPr+agueaNruafseS9k+WOi+W8uuWFrOW8j3A9z4FnaOaxguWHuuWOi+W8uuavlA==
- 答案:Qg==
PGRpdj7lt7Lnn6Xlr4bluqbkuYvmr5TkuLoz77yaMu+8mjHvvIzpq5jluqbnm7jnrYnvvJvlj6/moLnmja7mn7HkvZPljovlvLrlhazlvI9wPc+BZ2jvvIzmsYLlh7rljovlvLrmr5TkuLozOjI6Me+8jOaJgOS7pemAieaLqULpgInpobnjgII8L2Rpdj4=
本课配套习题挑战模式2/5
A: L甲=L乙=L丙 |
B: L甲<L乙<L丙 |
C: L甲>L乙>L丙 |
D: 以上都有可能 |
- 提示1:IOW3suefpc+BPHN1Yj7nlLI8L3N1Yj7vvJ7PgTxzdWI+5LmZPC9zdWI+77yez4E8c3ViPuS4mTwvc3ViPu+8jOS4ieiAheWOi+W8uuebuOetie+8m+agueaNruafseS9k+WOi+W8uuWFrOW8j3A9z4FnaOWPr+S7peaxguWHuui+uemVv+WFs+ezuw==
- 答案:Qg==
PGRpdj7lt7Lnn6XPgTxzdWI+55SyPC9zdWI+77yez4E8c3ViPuS5mTwvc3ViPu+8ns+BPHN1Yj7kuJk8L3N1Yj7vvIzkuInogIXljovlvLrnm7jnrYnvvJvmoLnmja7mn7HkvZPljovlvLrlhazlvI9wPc+BZ2jvvIzlj6/ku6XmsYLlh7rovrnplb/lhbPns7vvvKw8c3ViPueUsjwvc3ViPu+8nO+8rDxzdWI+5LmZPC9zdWI+77yc77ysPHN1Yj7kuJk8L3N1Yj7jgILmiYDku6XpgInmi6lC6YCJ6aG544CCPC9kaXY+
本课配套习题挑战模式3/5
甲、乙两个由金属制成的实心正方体放在水平桌面上,它们的密度之比为2:5,边长之比为3:1,则( )
A: 甲、乙的质量之比为6:5 |
B: 甲、乙的重力之比为12:5 |
C: 甲、乙对水平面的压力之比是54:6 |
D: 甲、乙对水平面的压强之比是 6:5 |
- 提示1:PHA+5L2T56ev5q+U5Li6Mjc6Me+8jOi0qOmHj209z4FW55+l6LSo6YeP5q+U5Li6NTQ6NTwvcD4=
- 提示2:PHA+6YeN5Yqb5LmL5q+U44CB5Y6L5Yqb5LmL5q+U5LiO6LSo6YeP5LmL5q+U55u4562JPC9wPg==
- 提示3:PHA+5p+x5L2T5Y6L5by65YWs5byPcD3PgWdo77yM5YiZ5pyJ5Y6L5by65YWs5byP5Li6Nu+8mjU8L3A+
- 答案:RA==
PGRpdj7otKjph49tPc+BVuefpei0qOmHj+avlOS4uiw1NDo177yb6YeN5Yqb5LmL5q+U44CB5Y6L5Yqb5LmL5q+U5LiO6LSo6YeP5LmL5q+U55u4562J77yM5YiZQeOAgULpgInpobnpg73kuI3mraPnoa7vvIxD6YCJ6aG55q2j56Gu44CC5p+x5L2T5Y6L5by65YWs5byPcD3PgWdo77yM5YiZ5pyJ5Y6L5by65q+U5Li6Nu+8mjXvvIzliJlE5q2j56Gu44CC5omA5Lul6YCJ5oupROmAiemhueOAgjxicj48L2Rpdj4=
本课配套习题挑战模式4/5
A: 8p |
B: 4p |
C: 2p |
D: |
- 提示1:IOS4gOWdl+egluW5s+aUvuWcqOawtOW5s+WcsOmdouS4iu+8jOWug+WvueWcsOmdouS6p+eUn+eahOWOi+W8uuS4unDvvIzlnKjov5nlnZfnoJbkuIrliqDkuIDlnZfnoJbvvIznm7jlvZPkuo7kvb/noJbnmoTpq5jluqblop7liqDkuIDlgI3vvIzmoLnmja7mn7HkvZPljovlvLrlhazlvI9wPc+BZ2jvvIzliJnnn6XljovlvLrlkIzmoLflop7lpKfkuIDlgI0=
- 提示2:IOe7p+e7reaUvueglu+8jOmrmOW6puS4jeWPmO+8jOWvhuW6puS4jeWPmO+8jOWImeWOi+W8uuS4jeWPmA==
- 答案:Qw==
PGRpdj7kuIDlnZfnoJblubPmlL7lnKjmsLTlubPlnLDpnaLkuIrvvIzlroPlr7nlnLDpnaLkuqfnlJ/nmoTljovlvLrkuLpw77yM5Zyo6L+Z5Z2X56CW5LiK5Yqg5LiA5Z2X56CW77yM55u45b2T5LqO5L2/56CW55qE6auY5bqm5aKe5Yqg5LiA5YCN77yM5qC55o2u5p+x5L2T5Y6L5by65YWs5byPcD3PgWdo77yM5YiZ55+l5Y6L5by65ZCM5qC35aKe5aSn5LiA5YCN77yb57un57ut5pS+56CW77yM6auY5bqm5LiN5Y+Y77yM5a+G5bqm5LiN5Y+Y77yM5YiZ5Y6L5by65LiN5Y+Y44CC5omA5Lul5pyA5ZCOOOWdl+egluWmguWbvuaUvue9ruWOi+W8uuS4ujJw77yM6YCJ5oupQ+mAiemhueOAgjwvZGl2Pg==
本课配套习题挑战模式5/5
A: 3:2 |
B: 16:27 |
C: 9:8 |
D: 9:4 |
- 提示1:IOW3suefpemHkeWxnuWdl0HjgIFC5a+G5bqmz4E8c3ViPkE8L3N1Yj7vvJrPgTxzdWI+Qjwvc3ViPuS4ujI377yaMTbvvIzovrnplb9MPHN1Yj5BPC9zdWI+77yaTDxzdWI+Qjwvc3ViPj0y77yaM++8jOagueaNruafseW9ouWOi+W8uuWFrOW8j1A9z4FnaOWPr+axguWHuuWOi+W8uuavlA==
- 答案:Qw==
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