2.02×8.5=?1.25+4.6+0.75=?递等式计算、要简便哦!

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/07 06:45:27

2.02×8.5=?1.25+4.6+0.75=?递等式计算、要简便哦!
2.02×8.5=?1.25+4.6+0.75=?递等式计算、要简便哦!

2.02×8.5=?1.25+4.6+0.75=?递等式计算、要简便哦!
2.02*8.5 1.25+4.6+0.75
=(2+0.02)*8.5 =(1.25+0.75)+4.6
=2*8.5+0.02*8.5 =2+4.6
=17+0.17 =6.6
=17.17