冀教版六年级上册第二单元单元测试题及答案
第二单元测试题及答案一、填空。1.=6∶( )==12÷( )=( )(填小数)2.下图中长方形的长与宽的比是( ),比值是( )。3.甲数比乙数多,甲数与乙数的比是( )。4.有一个三角形,它的三个内角的度数的比是7∶3∶10,则最小的角是( )°,这是一个( )三角形。5.已知a×=b×(a、b均为非零数),则a∶b=( )。6.4∶7的前项加上8,要使比值不变,后项应加上( )。7.把25克糖溶解到10千克水中,糖与水的质量比是( ),水与糖水的质量比是( )。8.用45厘米长的铁丝围成一个等腰三角形,已知腰和底的比是4∶1,这个三角形的腰...
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