试题 试卷
题型:填空题 题类:常考题 难易度:困难
(两个知识点)3227 10
2.5-1.3={#blank#}1{#/blank#} 3.5+2.6={#blank#}2{#/blank#}
①6.5+3.9{#blank#}1{#/blank#}3.7+6.5②12.2+9.9+7.8{#blank#}2{#/blank#}12.2+7.8+9.9③3.3+5.4+2.7{#blank#}3{#/blank#}5.4+(3.3+2.7)
63×40= 627÷3= 9.3-0.8= 6.7+2.3=
49×28≈ 195×5≈ 283÷7≈ 807÷9≈
试题篮