五分之四乘四加五分之二乘二加五分之一乘16用简便方法计算
=36\/5 =7.2
五分之四乘以四加五分之二乘以二加五分之一乘以十六,简便运算怎么做
4\/5x4+2\/5x2+1\/5x16 =4\/5x4+4\/5+1\/5x4x4 =4\/5x4+4\/5+4\/5x4 =4\/5(4+1+4)=4\/5x9 =36\/5 赶脚更麻烦!不如直接计算省事。五分之四乘以四加五分之二乘以二加五分之一乘以十六 =16\/5+4\/5+16\/5 =36\/5 =7又5分之1 ...
用简便方法计算. 五分之四乘四加五分之二乘二加五分之一乘十六
五分之四乘四加五分之二乘二加五分之一乘十六 =(1\/5)×(4×4+2×2+1×16)=(1\/5)×36 =(1\/5)×(35+1)=7+1\/5 =7又5分之1
五分之四乘以四加五分之二乘以二加五分之一乘以十六,简便运算怎么做
五分之一×(16+4+16)=五分之36
五分之四乘以四加五分之二乘以二加五分之一乘以十六,简便运算怎么做
4\/5x4+2\/5x2+1\/5x16 =4\/5x4+4\/5+4\/5x4 =4\/5x(4+1+4)=4\/5x9 =36\/5
五分之四乘以四三加五分之二乘以二加上五分之一乘以一十六使用简便方法...
=(4\/5 \/ 2)*(43*2)+2\/5*2+(1\/5*2)*(16 \/ 2) =2\/5*86+2\/5*2+2\/5*8 =2\/5*(86+2+8) =2\/5*96 =38.4
五分之四乘以四加五分之一乘二加五分之三乘以四
五分之四乘以四加五分之一乘二加五分之三乘以四 =4\/5*4+1\/5*2+3\/5*4 =1\/5*(4*4+2+3*4)=1\/5*(16+2+12)=1\/5*30 =6 希望对您有所帮助 如有问题,可以追问。谢谢您的采纳
五分之四乘三加五分之二乘七加五分之一乘四用简便方法做
4\/5x3+2\/5x7+1\/5x4 =1\/5x12+1\/5x14+1\/5x4 =1\/5x(12+14+4)=1\/5x30 =6
五分之四乘二分之一加五分之四
五分之四乘二分之一等于五分之二,再加五分之四等于五分之六 答案:五分之六