> 数学 >
用简便方法计算:2.6×7.4+0.26×25+0.026×10=____________________________________.
人气:328 ℃ 时间:2020-02-26 05:44:02
解答
2.6×7.4+0.26×25+0.026×10
=0.26×74+0.26×25+0.26×1
=0.26×(74+25+1)
=0.26×100
=26
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版