题文
合理、灵活地计算. 14.15-(7-6)-2.125 ×+× (111+999)÷[56×(-)] 6.45×0.75+4.55×75%-. |
题型:解答题 难度:中档
答案
(1)14.15-(7-6)-2.125, =14.15-7+6-2.125, =(14.15+6.85)-(7.875+2.125), =21-10, =11;
(2)×+×, =×+×, =(+)×, =1×, =;
(3)(111+999)÷[56×(-)], =1110÷[56×-56×], =1110÷(24-21), =1110÷3, =370;
(4)6.45×0.75+4.55×75%-, =6.45×0.75+4.55×0.75-0.75×1, =(6.45+4.55-1)×0.75, =10×0.75, =7.5. |
据专家权威分析,试题“合理、灵活地计算.14.15-(778-61720)-2.1251837×25+237×195(11..”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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