试题 试卷
题型：填空题 题类：常考题 难易度：普通
口算乘法(两位乘10、整十乘整十)4586 10
1.5×0.99{#blank#}1{#/blank#}1.5 1.5×1.01{#blank#}2{#/blank#}1.5
3.87×1{#blank#}3{#/blank#}3.87 1.5×0.89{#blank#}4{#/blank#}1.5+0.89
4.5×2.1={#blank#}1{#/blank#} 45×{#blank#}2{#/blank#}=0.945 {#blank#}3{#/blank#}×2.1=0.0945
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