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下面各题,怎样算简便就怎样算.28.6×101-28.61÷[0.1÷(1.43-0.93)]6.2-0.54÷1.8×527.6-11.31-5.69

题目详情
 下面各题,怎样算简便就怎样算.
28.6×101-28.6                
1÷[0.1÷(1.43-0.93)]
6.2-0.54÷1.8×5                  27.6-11.31-5.69
 下面各题,怎样算简便就怎样算.
28.6×101-28.6                
1÷[0.1÷(1.43-0.93)]
6.2-0.54÷1.8×5                  27.6-11.31-5.69
 下面各题,怎样算简便就怎样算.
28.6×101-28.6                 1÷[0.1÷(1.43-0.93)] 下面各题,怎样算简便就怎样算.
28.6×101-28.6                
1÷[0.1÷(1.43-0.93)] 6.2-0.54÷1.8×5                  27.6-11.31-5.696.2-0.54÷1.8×5                 27.6-11.31-5.69
▼优质解答
答案和解析
(1)28.6×101-28.6
=28.6×(101-1)
=28.6×100
=2860

(2)1÷[0.1÷(1.43-0.93)]
=1÷[0.1÷0.5]
=1÷0.2
=5

(3)6.2-0.54÷1.8×5
=6.2-0.3×5
=6.2-1.5
=4.7

(4)27.6-11.31-5.69
=27.6-(11.31+5.69)
=27.6-17
=10.6