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计算:333387
1
2
×79+790×66661
1
4
人气:270 ℃ 时间:2020-03-25 09:01:58
解答
333387
1
2
×79+790×66661
1
4

=333387.5×79+790×66661.25
=333387.5×79+79×666612.5
=(333387.5+666612.5)×79
=1000000×79
=79000000.
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