0.5min(分钟)=( )S(秒

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0.5min(分钟)=()S(秒0.5min(分钟)=()S(秒0.5min(分钟)=()S(秒1min=60s所以0.5min=60s*0.5=30s30s一分钟是六十秒那么0.5分钟(即半分钟)就

0.5min(分钟)=( )S(秒
0.5min(分钟)=( )S(秒

0.5min(分钟)=( )S(秒
1min = 60 s
所以 0.5min = 60s*0.5 = 30s

30s

一分钟是六十秒 那么0.5分钟(即半分钟)就是六十秒的一半,即三十秒
数学语言化:0.5 min = 60 s * 0.5 = 30 s
答毕

30

30