用简便算法计算:0.125×3.2-0.25×0.16=
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 03:08:22
![用简便算法计算:0.125×3.2-0.25×0.16=](/uploads/image/z/32469-69-9.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E8%AE%A1%E7%AE%97%EF%BC%9A0.125%C3%973.2-0.25%C3%970.16%3D)
用简便算法计算:0.125×3.2-0.25×0.16=
用简便算法计算:0.125×3.2-0.25×0.16=
用简便算法计算:0.125×3.2-0.25×0.16=
0.125×3.2-0.25×0.16
=0.125*8*0.4-0.25*4*0.04
=1*0.4-1*0.04
=0.4-0.04
=0.36
0.125×3.2-0.25×0.16
=0.125×8×0.4-0.25×4×0.04
=0.4-0.04
=0.36
0.125×3.2-0.25×0.16
=0.25×1.6-0.25×0.16
=0.25×(1.6-0.16)
=0.25×1.44
=0.36