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题型:解决问题 题类:常考题 难易度:困难
用8的乘法口诀求商1958 10
{#blank#}1{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}={#blank#}4{#/blank#}
34+35=
28+58=
80-28=
57-20=
57+23=
85-25=
72-28=
26+30=
65+25=
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