求比值:15:1/15;0.2kg:120g.化简:4/5:5/6=;117:78:51=.

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/24 09:46:57
求比值:15:1/15;0.2kg:120g.化简:4/5:5/6=;117:78:51=.
xO@δ۲pA" ?  M\:ODIOUqqٙ7޼* nm?zI@𹅭P&G `.5'-_aQ~4B "=DK ̦q6hܘPeZ02z%mHmyHKȷ;]J|6FvP}^sob 

求比值:15:1/15;0.2kg:120g.化简:4/5:5/6=;117:78:51=.
求比值:15:1/15;0.2kg:120g.化简:4/5:5/6=;117:78:51=.

求比值:15:1/15;0.2kg:120g.化简:4/5:5/6=;117:78:51=.
15:1/15=15÷1/15=15×15=225;
0.2千克:120克=200:120=20/12=5/3≈1.67
4/5:5/6=(4/5×30):(5/6×30)=24:25;
117:78:51=39:26:17(都除以3)

15:1/15=15÷1/15=15×15=225;0.2千克:120克=200:120=20/12=5/3;
4/5:5/6=(4/5×30):(5/6×30)=24:25;
117:78:51=39:26:17(都除以3)