×
∵(因为)一般分解质因数不需要乘以一
∴(所以)是错误的
正210=2×3×5×7
选我吧,祝你学业有成
判断题:把210分解质因数应是210=(2×3×5×7×1)()
判断题:把210分解质因数应是210=(2×3×5×7×1)()
数学人气:238 ℃时间:2020-02-04 08:10:04
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