题文
用递等式计算. 5.25×3.6+6×5 |
8+5.25+1.2+ |
2×[3.8÷(3-2.4×)] |
5.13×-4.63×0.6 |
[1-(+)]÷ |
5-×-. | |
题型:解答题 难度:中档
答案
(1)5.25×3.6+6×5, =5.25×3.6+6.4×5.25, =5.25×(3.6+6.4), =5.25×10, =52.5;
(2)8+5.25+1.2+, =8.8+5.25+1.2+5.75, =(8.8+1.2)+(5.25+5.75), =10+11, =21;
(3)2×[3.8÷(3-2.4×)], =2×[3.8÷(3-2.24)], =2×[3.8÷0.76], =×5, =12;
(4)5.13×-4.63×0.6, =5.13×0.6-4.63×0.6, =(5.13-4.63)×0.6, =0.5×0.6, =0.3;
(5)[1-(+)]÷, =[1-]×4, =×4, =;
(6)5-×-, =5--, =5-(+), =5-1, =4. |
据专家权威分析,试题“用递等式计算.5.25×3.6+625×514845+5.25+1.2+234225×[3.8÷(..”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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