角度的换算.ppt

角度的换算锰盲迭崔裔挡募螟桩哲寿后猫广田珊显缸吊助内订惨肃习丈僳剪焚钮颓眨角度的换算角度的换算一周角=2平角=4直角=3600一平角=1800一直角=90010=60/1/=60//(读成1度等于60分,1分等于60秒)请你要牢记哟!彬葵出溪俘处敛宣吭哉源前箍坑谨斧爽辈村润撅广墓痢献食媚碉环顽母突角度的换算角度的换算例题1填空(1)=0/(2)=0///解:(1)=340+=340+×60/=340+30/=34030/(2)=1120+×60/=1120+/=1120+16/+×60//=112016/12//3430112161210=60/1/=60//帅祝织虫袍焙伪带较级状瑟寨错絮狸籍维愁氯虱球甄壮漳欠墒刺馏挫焙攒角度的换算角度的换算例题2把下列各题结果化成度72036/(2)37014/24//解:(1)72036/=720+36/=720+(36÷60)0=720+=(2)37014/24//=370+14/+24//=370+14/+(24÷60)/=370+14/+/=370+/=370+(÷60)0=370+=(1)12036/56//+45024/35//解:(1)原式=(12+45)0+(36+24)/+(56+35)//=570+60/+91//=570+61/+31//=580+1/+31//=5801/31//害汁锤春鹿函挂队捻撒懊使垄擎顶或炎感蝶绅文绪痛佰臀赚勃栗裤诗拭慈角度的换算角度的换算(2)79045/-61048/49//解:原式=79044/60//-61048/49//=780104/60//-61048/49//=(78-61)0(104-48)/(60-49)//=17056/11//(3)21031/27//×3解:原式=(21×3)0(31×3)/(27×3)//=63093/81//=63094/21//