题型一:角度的换算 例1:填空 (1)34.50=34030 (2)112.270=112016112 解:(1)34.50=340+0.50 =340+0.5×60 =340+30=34030 (2)112.270=1120+0.27×60 =1120+16.2 =1120+16+0.2×60 01/1/
例1:填空 (1)34.50= 0 / (2)112.270= 0 / // 解:(1)34.50=340+0.50 =340+0.5×60/ =340+3 0/=34030/ (2)112.270=1120+0.27×60/ =1120+16.2/ =1120+16/+0.2×60// =112016/12// 34 30 112 16 12 题型一:角度的换算
例2、把下列各题结果化成度 (1)72036(2)3701424 解:(1)7236=720+36 =72+(36÷60)° =720+0.6 =72.6
例2、把下列各题结果化成度 (1)72036/ (2)37014/24// 解:(1)72036/=720+36/ =720+(36÷60)0 =720+0.60 =72.60