题文
用递等式计算(能简算的要简算) (7001-3075)÷13×25 105×(++) 11.2-0.33+2.8-8.67 473÷2+473÷3+473÷6. |
题型:解答题 难度:中档
答案
(1)(7001-3075)÷13×25 =3926÷13×25, =302×25, =(300+2)×25, =300×25+2×25, =7550;
(2)105×(++) =105×+105×+105×, =15+70+21, =106;
(3)11.2-0.33+2.8-8.67 =11.2+2.8-(0.33+8.67), =14-9, =5;
(4)473÷2+473÷3+473÷6 =473×+473×+473×, =473×(++), =473×1, =473. |
据专家权威分析,试题“用递等式计算(能简算的要简算)(7001-3075)÷13×25105×(17+23+15)1..”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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