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已知各项均为正数的等比数列{an},a1a2a3=5,a7a8a9=10,则a4a5a6=...
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已知各项均为正数的等比数列{a
n},a
1a
2a
3=5,a
7a
8a
9=10,则a
4a
5a
6=( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAASCAYAAABfJS4tAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAP9JREFU
OE+tk4ENhCAMRWEj9nELhmAJdmAA5iBxB5botYAeVcGS2ISosbz+/oIGDLUQWmtZNoFXAqmidFlW
h1oG52jJkrpshDzQtQhO4CewvsYNnPyjoGoF/vRJZF2BnJEj2HMjiqNu2zdmZYi2WaA8vPF7cE6J
WVbsbJ2z4SVPBSzEkcH1aI5bI1v+inleqTrxZQYmYcfWh/LzQQ7BzG/s7N4XgpcV05z4fG7g5DuP
w9aO0nbWf1LM9rRMBdTCcTHw2YsNIZQ0ZxQYt5f3K5hmwhpsR1d2pYvyqroH11N0XdUSGRgTNwSQ
6sUr/X7rdmdAGfc9mEqT6s8VHz1JwT/bTjawgxU89gAAAABJRU5ErkJggg==
)
B.7
C.6
D.
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已知各项均为正数的等比数列{an},a1a2a3=5,a7a8a9=10,则a4a5a6=( )
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