(要求:要计算过程.)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/14 23:43:42
(要求:要计算过程.)
xRKnAJd(鮮q6p_{ ;^A"&R .Wc"KWկ_W>=^~{LJ_o.g7߿]GOƮӲ:34N{QstZ2,FU=L'Ml~rNލ`'%]LSJj8C S\&'1)*hd|(@*uJj*(pZng*K-[> T!kpbW@=´|1W-v|yh1~E W3NwBx-.<\p& [YbހR T`ʉxe?0֚9CaE*.]ЂÁZ6x` YvbѾk wgY;w$l{Jk GaCH2qnEoal

(要求:要计算过程.)
(要求:要计算过程.)
 

(要求:要计算过程.)
15×3/8+9×37.5%
=15×3/8+9×3/8
=(15+9)×3/8
=24×3/8
=9
14÷7/2÷12.5%
=14×2/7×0.125
=4×0.125
=0.5
3/5×25%+125%
=0.15+1.25
=1.4

=9
=32
=1.4

2)
15×3/8+9×37.5%
=15×3/8+9×3/8
=3/8×(15+9)
=9
3)14÷7/2÷12.5%
=14÷(7/2×1/8)
=14÷7/16
=14×16/7
=32
4)3/5×25%+125%
=3/5×1/4+5/4
=3/5×1/4+5×1/4
=1/4×(3/5+5)
=1/4×28/5
=7/5