(1)12除以23=_____:_____=( )/( ). (2)求比值:25:40=_______.
(1)12除以23=_____:_____=( )/( ). (2)求比值:25:40=_______.
请不要乱做.一.计算.4878493除以756757=_____(1)4645.54除以453.764=_____ (2
1、keep healthy=_____ _____ _____ _____
数学题(3x+____)的2次方=____+12xy+_____ (mn-_______)(_______-2分之一)=
当然英语翻译_____=_____=_____
by himself=_____ _____ _____
把周角平均分成360份,每份就是_____的角,1°=_____,1′=_______.
几个集合的填空题,空集_____{x丨x2+2x+1=0}空集_____{x∈R丨x2=-4}5_______{5}空集
Ln(Lg10)=_____;Lg(Lne)=_______;Ln(Lne)=_____
我的脸是圆的 My face is round=____ _____ _____ ______ _______
变速运动平均速度的公式为v=_____=_______
there are no bones =there ______ _______ _____ bones