试题 试卷
题型:填空题 题类:常考题 难易度:普通
乘法的交换、结合律4873 10
(59+24)×{#blank#}1{#/blank#}={#blank#}2{#/blank#}×5+{#blank#}3{#/blank#}×5
36×39+36×61={#blank#}1{#/blank#}
①7.43-(3.48-2.57)
②0.9+9.9+99.9+999.9+9999.9
③15.25-3.1+0.75-4.9
④19×47+82×47-47
⑤125-(29.7+125÷5)
⑥900÷[4×(213-198)]
试题篮