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题型:单选题 题类:常考题 难易度:容易
口算乘法(两位乘10、整十乘整十)4581 10
23×0{#blank#}1{#/blank#}0÷23 300平方分米{#blank#}2{#/blank#}4平方米 3千克{#blank#}3{#/blank#}2900克
{#blank#}4{#/blank#} {#blank#}5{#/blank#} {#blank#}6{#/blank#}
0÷2 = 6×0 = 50÷5 =
63÷9 = 0÷8 = 8×0 =
55+37= 80-26= + = 2×210= 7×8+6=
1- = 82×0= 60×5= 3000×3= 70×9-120=
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