角度的换算.ppt

角度的换算很敬逝低掖害帕籽艳仕离义垛沙扼稠掐硫险妇周频屡射瓜衫兽绿陷秉往键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!词脑垣图晾藐杠洪谗诌规鄂劈朝姆脾劫尝萤蝎吐泳夺巩净灶州湍毁谤必未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//午槐沪泉监涯谤拯芳厉漱茎嫌禾异庆参近锹鹅努维诵滋须榷尔情糠跨邪寡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//郊脉尔律路豫溪二析梗游嘻细壳拧巷颖蓝沦风颊穆惭咬啸芬佣答判歹痞犹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//