字典翻译 问答 其它 用递等式计算,能简算的要简算:2.6×(2.139÷9.3×6.2)4.23×101-4.2376.3×27-76.3×17(8×5.27)×1.252.3×30×1.256.93×10.1.
问题标题:
用递等式计算,能简算的要简算:2.6×(2.139÷9.3×6.2)4.23×101-4.2376.3×27-76.3×17(8×5.27)×1.252.3×30×1.256.93×10.1.
问题描述:

用递等式计算,能简算的要简算:

2.6×(2.139÷9.3×6.2)4.23×101-4.23
76.3×27-76.3×17(8×5.27)×1.25
2.3×30×1.256.93×10.1.

任常锐回答:
  (1)2.6×(2.139÷9.3×6.2)=2.6×(2.3×6.2)=2.6×14.62=37.076(2)4.23×101-4.23=4.23×(101-1)=4.23×100=423(3)76.3×27-76.3×17=76.3×(27-17)=76.3×10=763(4)(8×5.27)×1.25=8×5.27×1.2...
点击显示
其它推荐
热门其它推荐
  • 其它