简便运算:1,9.42*10-94.2*0.9 2,3.61/(7.2-5.3)*25 3,1.58/ [20-(5.4+6.7)] 4,2.4*1.5+.6/1.5
问题描述:
简便运算:1,9.42*10-94.2*0.9 2,3.61/(7.2-5.3)*25 3,1.58/ [20-(5.4+6.7)] 4,2.4*1.5+.6/1.5
答
简便运算:1,9.42*10-94.2*0.9 2,3.61/(7.2-5.3)*25 3,1.58/ [20-(5.4+6.7)] 4,2.4*1.5+.6/1.5