求比值:①4/5 :1/2=_______ ②0.03:0.52=________ ③48分:0.5时=______
求比值:①4/5 :1/2=_______ ②0.03:0.52=________ ③48分:0.5时=______
get another=______ _______ ________
利润=______ 利润率=________利息=_______
(1)12除以23=_____:_____=( )/( ). (2)求比值:25:40=_______.
求比值:75克:0.5千克=______.
39.145°=______度______分_______秒
She has no friends=She _______ ________ ________ ________
2分之1:3分之2比值和化简比.9:4分之3化简比和求比值.0.5时:5分比值化简比.
1、 (1)一周角=______平角=______直角=_______°; 60°=______平角=________周
求比值:40分:3/5小时= 4/5千克:640克=
求比值:1.5小时:40分钟=______.
看图填空 (1)因为∠1=∠2(已知),所以______∥________( ) (2)因为_______=180°(已