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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6248
12.5×16×0.5={#blank#}1{#/blank#}
3.2×1.25
=8×1.25×0.4
=1×0.4
=0.4
0.02×38.7×50={#blank#}1{#/blank#}
①13÷0.4÷2.5
②64×4.5+36×4.5
③1.25×2.5×0.8
④1.5×101-1.5
⑤14.64+3.7×2.8
⑥2.8×7.3+0.27×28
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#}
①4.4×25
②8.4×0.26+0.74
③50.8÷0.8÷1.25
④1.8×2.58+7.42×1.8
⑤0.79×99+0.79
⑥72+8÷2.5-30.2
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