80.5÷1.25怎样简便计算

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/19 14:26:28
80.5÷1.25怎样简便计算
x)03=PYC߳۟kxou nT_~ If`zk!6P^,0a:!f&@/.H̳:̱٦~O03}f$PC3CTTBHe=`ȃ@&P .#

80.5÷1.25怎样简便计算
80.5÷1.25怎样简便计算

80.5÷1.25怎样简便计算
80.5÷1.25
=(80.5×0.8)÷(1.25×0.8)
=(80+0.5)×0.8÷1
=80×0.8+0.5×0.8
=64+0.4
=64.4

=80.5/(0.5x2.5)
=80.5/0.5/2.5
=161/2.5
=161/(0.5x5)
=161/0.5/5
=322/5
=64.4

80.5÷1.25=80.5÷(10÷8)=80.5*8÷10=644÷10=64.4