新北师大版小学四年级下册数学第三单元测试卷及答案
第三单元测试卷(1)时间:90分钟满分:100分分数:一、填空题。(17分)1.0.3×4表示( )个( )相加。2.0.29×0.07的积有( )位小数,6.5×8.4的积有( )位小数。3.0.65扩大到原来的100倍是( ),0.052扩大到原来的( )倍是52。4.根据32×15=480填空。3.2×15=( ) 3.2×1.5=( )32×0.15=( )32×1.5=( )5.把28.5的小数点向( )移动两位,这个数就缩小到原来的1100。6.3.5×(10+0.1)=3.5×( )+3.5×( )7.在里填上“>”“ < > =二、1.✕ 2.✕ 3...
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