1.5%换算成小数
题目4.把百分数化成小数或整数.7.8%=( ) 300%=( ) 0.1%=( ) 150%=( ) 1.5%=( ) 10%=() 答解析查看更多优质解析解答一举报把百分数化成小数或整数.7.8%=(0.078 ) 300%=(百分数与小数的互化:(1)百分数化小数:去掉百分号,小数点左移两位。如:75%可化为0.75 (2)小数化百分数:加上百分号,小数点右移两位。如:0.62可
bai fen shu hua cheng xiao shu ,fang fa ne jiu shi jiang bai fen shu de fen mu huan suan cheng 1 00,xiang ying de fen zi ye zuo xiang dui de bian huan ,ran hou jiang fen zi de xiao shu dian zuo yi liang wei ,de dao de bian shi xiao shu ;ru guo fen mu bu neng zheng hao huan " ti mu 4 . ba bai fen shu hua cheng xiao shu huo zheng shu . 7 . 8 % = ( ) 3 00% = ( ) 0. 1 % = ( ) 1 5 0% = ( ) 1 . 5 % = ( ) 1 0% = () da an jie xi zha kan geng duo you zhi jie xi jie da yi ju bao ba bai fen shu hua cheng xiao shu huo zheng shu . 7 . 8 % = ( 0. 07 8 ) 3 00% = ( "
百分数转化成小数,将小数点向左移动两位。左边位数不足两位时,在数的左边补零,最后去掉右边的百分号。比如百分之六十七转化成小数,将小数点向左移wo men xian ba 5 % hua cheng xiao shu ,jiu shi :5 ÷ 1 00= 0. 05 ,ran hou zai yu 1 xiang jia :1 shi 0. 05 = 1 . 05 。zhe shi yong xiao shu biao shi ta men de he 。hai you yi zhong fang shi yong fen shu lai biao shi :1 shi 5 % = 1 shi 1 / 2 0= 1 you 1 / "
bai fen shu yu xiao shu de hu hua :(1 )bai fen shu hua xiao shu :qu diao bai fen hao ,xiao shu dian zuo yi liang wei 。ru :7 5 % ke hua wei 0. 7 5 ( 2 ) xiao shu hua bai fen shu :jia shang bai fen hao ,xiao shu dian you yi liang wei 。ru :0. 6 2 ke " 百分数化成小数,方法呢就是将百分数的分母换算成100,相应的分子也做相对的变换,然后将分子的小数点左移两位,得到的便是小数;如果分母不能正好换
bai fen shu zhuan hua cheng xiao shu ,jiang xiao shu dian xiang zuo yi dong liang wei 。zuo bian wei shu bu zu liang wei shi ,zai shu de zuo bian bu ling ,zui hou qu diao you bian de bai fen hao 。bi ru bai fen zhi liu shi qi zhuan hua cheng xiao shu ,jiang xiao shu dian xiang zuo yi " 我们先把5%化成小数,就是:5÷100=0.05,然后再与1相加:1十0.05=1.05。这是用小数表示它们的和。还有一种方式用分数来表示:1十5%=1十1/20 =1又1/