试题 试卷
题型:单选题 题类:常考题 难易度:普通
北师大版数学四年级下册第三章第五节蚕丝同步练习
①1.28+2.72= 1-0.9= 0.32÷0.8= 0.8×5=
②0.9×0.1= 3.11+2.22= 10+0.37= 12.5+12.5×7=
③0.25×4= 0.16×4=
①2.8×1.6=448
②4.17×1.2=5004
③5.07×1.1=5577
④0.12×1.6=192
⑤8.67×0.3=2601
⑥0.18×0.17=306
6.12÷1.8= 4.85×0.73= 1.8÷0.23≈
9.06×7.5= ★75.4÷0.29= 2.6÷1.4≈(得数保留两位小数)
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