简算:(1)9999*7778+3333*6666(2)5.6*69.32+138.64*0.05+693.2*0.43
来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/04/28 01:35:53
简算:
(1)
9999*7778+3333*6666
(2)
5.6*69.32+138.64*0.05+693.2*0.43
(1)
9999*7778+3333*6666
(2)
5.6*69.32+138.64*0.05+693.2*0.43
(1)
9999*7778+3333*6666
=9999*7778+3333*(2222*3)
=9999*7778+(3333*3)*2222
=9999*7778+9999*2222
=9999*(7778+2222)
=9999*10000
=99990000
(2)
5.6*69.32+138.64*0.05+693.2*0.43
=5.6*69.32+69.32*(2*0.05)+69.32*(10*0.43)
=5.6*69.32+69.32*0.1+69.32*4.3
=(5.6+0.1+4.3)*69.32
=10*69.32
=693.2
9999*7778+3333*6666
=9999*7778+3333*(2222*3)
=9999*7778+(3333*3)*2222
=9999*7778+9999*2222
=9999*(7778+2222)
=9999*10000
=99990000
(2)
5.6*69.32+138.64*0.05+693.2*0.43
=5.6*69.32+69.32*(2*0.05)+69.32*(10*0.43)
=5.6*69.32+69.32*0.1+69.32*4.3
=(5.6+0.1+4.3)*69.32
=10*69.32
=693.2
简算:(1)9999*7778+3333*6666(2)5.6*69.32+138.64*0.05+693.2*0.43
简算 1、9999×7778+3333×6666 2、56×69.32+138.64×0.05+693.2×0.43
9999*7778+3333*6666 5.6*69.32+138.64*0.05+693.2*0.43 用简便运算
求0.25*4.4 9999*7778+3333*6666 5.6*69.32+138.64*0.05+693.2*0.
5.6*69.32+138.64*0.05+693.2*0.43(简算)
简算 5.6*69.32+138.64*0.05+693.2*0.43
9999乘以7778加上3333乘以6666怎么简便计算?5.6乘以69.32加上138.64乘以0.05加上693.2
数学题——简算简算:9999乘以7778+3333乘以6666=5.6乘69.32+138.64乘0.05+693.2乘
简便计算9999*7778+3333*66665.6*69.32+138.64*0.05+693.2*0.432.4/0
5.6*69.32+138.64*0.05+693.4*0.43 简算
简算:5.6乘69.32加138.64乘0.05加693.2乘0.43
5.6*69.32+138.64*0.05+693.2*0.43 简便算法