2000×200320032003+2003×20020002000 172.4×6.2+27247×0.38
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/25 09:43:22
2000×200320032003+2003×20020002000 172.4×6.2+27247×0.38
简便计算
简便计算
2000×200320032003+2003×20020002000
=2000x2003x100010001+2003x2000x100010001
=2x2000x2003x1000100010001
=4000x200320032003
=801280128012000
第二题是不是题目打错了?如果没打错的话,我就不知道怎么简算,下面是我改过后的题
172.4×6.2+2724×0.38
=172.4x6.2+272.4X3.8
=172.4x6.2+(172.4+100)x3.8
=172.4x(6.2+3.8)+100x3.8
=1724+380
=2104
=2000x2003x100010001+2003x2000x100010001
=2x2000x2003x1000100010001
=4000x200320032003
=801280128012000
第二题是不是题目打错了?如果没打错的话,我就不知道怎么简算,下面是我改过后的题
172.4×6.2+2724×0.38
=172.4x6.2+272.4X3.8
=172.4x6.2+(172.4+100)x3.8
=172.4x(6.2+3.8)+100x3.8
=1724+380
=2104
172.4×6.2+2724×0.38
计算:172.4×6.2+2724×0.38.
172.4*6.2+1724*0.38怎样写?
172.4乘以6.2加1724乘以0.38的简便运算
用运算律简算 172.4乘6.2加1724乘0.38
(2000+20002000+2ooo2ooo2ooo)/(2003+20032003+200320032003)=?
(2002+20022002+200220022002)/(2003+20032003+200320032003)+1/
0.38×6.2-0.12×3.8简便计算,
75.2乘0.38+7.52乘6.2怎么简算
简便计算:2000*2000-2*2000-2000/2002*2002*2000+2002*2000-2003
1、1949*2003+1952*2000+1955*1997+...+2003*1949=?
2004×2003×2002-2001×2000×1999=?