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题型:填空题 题类:常考题 难易度:困难
苏教版小学数学四年级下册第四单元《用计算器计算》
19+9×9=
118+98×9=
1117+987×9=
11116+9876×9=
( )+( )×( )=( )
6×7+2=
66×67+22=
666×667+222=
6666×6667+2222=
15,20,25,{#blank#}1{#/blank#},{#blank#}2{#/blank#}
21,18,15,{#blank#}3{#/blank#},{#blank#}4{#/blank#}
3,6,9,{#blank#}5{#/blank#},{#blank#}6{#/blank#}
7 9 11 13 {#blank#}1{#/blank#} {#blank#}2{#/blank#}
1 4 7 10 {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}。
1,2,4,7,11,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#}.
97000,98000,99000,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#}。
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