试题 试卷
题型:单选题 题类:常考题 难易度:困难
按比分配7851 10
① ②
③0.8×0.95+0.3×0.8 ④ .
1322-199={#blank#}1{#/blank#} 1.87+5.3={#blank#}2{#/blank#} 2-2÷5 ={#blank#}3{#/blank#} ( + )×56={#blank#}4{#/blank#}
603×39≈{#blank#}5{#/blank#} 4950÷51≈{#blank#}6{#/blank#} 10÷ ×10={#blank#}7{#/blank#} {#blank#}8{#/blank#}: =
①16+4÷( - )
②1.7+3.98+2.3
③( + )× +
④1÷
⑤4.8×3.9+6.1×4.8
试题篮