试题 试卷
题型:计算题 题类:常考题 难易度:普通
贵州省黔西南州兴仁县真武山街道办事处黔龙学校2018-2019学年五年级下学期数学月考试卷(4月份)
4.8×1.25
①0.25×2.8
=0.25×(4×0.7)
=0.25×4×0.7
=1×0.7
=0.7
(应用了{#blank#}1{#/blank#}定律)
②51.25×0.8
=(50+1.25)×0.8
=50×0.8+1.25×0.8
=40+1
=41
(应用了{#blank#}2{#/blank#}定律)
①2.3+5.5-2.3+5.5
②3.6×5.5÷3.6×5.5
③6.8÷3.4×6.8÷3.4
④5.5-2.3+5.5-2.3
⑤3.6×5.5÷(3.6×5.5)
⑥6.8÷3.4×(6.8÷3.4)
101×0.75
试题篮