3.75×4.23×36-125×0.423×2.8.
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/05/21 02:50:40
3.75×4.23×36-125×0.423×2.8.
3.75×4.23×36-125×0.423×2.8,
=3.75×4.23×36-12.5×4.23×2.8,
=4.23×(3.75×36-12.5×2.8),
=4.23×(12.5×0.3×36-12.5×2.8),
=4.23×12.5×(0.3×36-2.8),
=4.23×12.5×(10.8-2.8),
=4.23×12.5×8,
=423.
=3.75×4.23×36-12.5×4.23×2.8,
=4.23×(3.75×36-12.5×2.8),
=4.23×(12.5×0.3×36-12.5×2.8),
=4.23×12.5×(0.3×36-2.8),
=4.23×12.5×(10.8-2.8),
=4.23×12.5×8,
=423.
3.75×4.23×36-125×0.423×2.8.
3.75乘4.23乘36-125乘0.423乘2.8
3.75*4.23*36-125*0.423*3.8
3.75乘4.23乘36-125乘0.423乘2.8巧算方法
3.75乘4.23乘36-125乘0.432乘2.8的巧算
用筒便方法计算下列各题: 7.24*0.1+0.5*72.4+0.049*724 3.75*4.23*36-125*0.
用筒便方法计算下列各题:7.24*0.1+0.5*72.4+0.049*724 3.75*4.23*36-125*0.4
计算:3.6×42.3×3.75-12.5×0.423×28=______.
3.2*42.3*3.75-12.5*0.423*16
42.8*6.3+4.23*25+0.423*120简便运算
3.6×42.3×3.75-12.5×0.423×16 要简便运算!
3.2×42.3×3.75-12.5×0.423×16 怎么算啊