将 1,2,3,4,5,6,7,8 这八个数字填入下面算式的八个“□”内(每个数字只能用一次),使得数最小,其最小得数是____.

将 1,2,3,4,5,6,7,8 这八个数字填入下面算式的八个“□”内(每个数字只能用一次),使得数最小,其最小得数是____.

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水平桌面上两个底面积相同的容器中,分别盛有甲、乙两种液体。将两个完全相同的小球 M、N分别放入两个容器中,静止时两球状态如图所示,两容器内液面相平。下列分析正确

水平桌面上两个底面积相同的容器中,分别盛有甲、乙两种液体。将两个完全相同的小球 M、N分别放入两个容器中,静止时两球状态如图所示,两容器内液面相平。下列分析正确的是( )

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Boys and girls, help y to some fish.

Boys and girls, help y to some fish.

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The museums website even stopped working for a while because _______.

The museums website even stopped working for a while because _______.

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Suddenly the bottle fell down onto the floor and broke into _______ .

Suddenly the bottle fell down onto the floor and broke into _______ .

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