试题 试卷
题型:单选题 题类:常考题 难易度:容易
(解析完整) 整数、小数四则混合运算6249
40×28.2×0.025=( )
4.73×2.5+2.5×5.27=( )
①ac+bc=({#blank#}1{#/blank#}+{#blank#}2{#/blank#})· c
②12.5×(k+6)={#blank#}3{#/blank#}×{#blank#}4{#/blank#}+{#blank#}5{#/blank#}×{#blank#}6{#/blank#}
2.97×8×0.125 3.7×9.9 5.2+4.8÷0.16
0.89×6.6+3.4×0.89 8.61÷[2.8×(12-9.5)]
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