题文
①[(9-7)÷2]÷1 ②0.52×2+7×0.52 ③(1-)×(2+)÷1 ④[(4.25-3)×2.4+10÷6]÷0.13 ⑤24×(+)÷(6.375-5) ⑥(15÷3-2×1)÷1. |
题型:解答题 难度:中档
答案
(1)[(9-7)÷2]÷1 =[÷]÷; =×; =;
(2)0.52×2+7×0.52 =(2+7)×0.52; =10×0.52; =5.2;
(3)(1-)×(2+)÷1 =×(×); =×; =1;
(4)[(4.25-3)×2.4+10÷6]÷0.13 =[(4-3)×2+10÷]÷; =[×+10×]÷; =[+]÷; =×; =33;
(5)24×(+)÷(6.375-5) =24×÷(6-5); =34×1; =34;
(6)(15÷3-2×1)÷1 =(×-×)÷; =(-5)×; =×; =. |
据专家权威分析,试题“①[(915-712)÷234]÷115②0.52×249+759×0.52③(125-45)×(2+23)÷135..”主要考查你对 整数,小数,分数,百分数和比例的混合计算 等考点的理解。关于这些考点的“档案”如下:
整数,小数,分数,百分数和比例的混合计算
考点名称:整数,小数,分数,百分数和比例的混合计算
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