简便运算:9.4+9.9*99 3.2*2.25-3.2 25/6.4*8/5 2.37*6.3+23.7*0.37 5.73-2.43+3.27-4.53 3.8*10.1
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/20 01:22:30
简便运算:9.4+9.9*993.2*2.25-3.225/6.4*8/52.37*6.3+23.7*0.375.73-2.43+3.27-4.533.8*10.1简便运算:9.4+9.9*993.2
简便运算:9.4+9.9*99 3.2*2.25-3.2 25/6.4*8/5 2.37*6.3+23.7*0.37 5.73-2.43+3.27-4.53 3.8*10.1
简便运算:9.4+9.9*99 3.2*2.25-3.2 25/6.4*8/5 2.37*6.3+23.7*0.37 5.73-2.43+3.27-4.53 3.8*10.1
简便运算:9.4+9.9*99 3.2*2.25-3.2 25/6.4*8/5 2.37*6.3+23.7*0.37 5.73-2.43+3.27-4.53 3.8*10.1
9.4+9.9*99=9.4+(9.4+0.5)*99=9.4*100+0.5*99=940+49.5=989.5
3.2*2.25-3.2=3.2*(2.25-1)=3.2*1.25=3.2x10/8=0.4x10=4
25/6.4 x 8/5=25/5 x 6.4/8=5x0.8=4
2.37*6.3+23.7*0.37=2.37*6.3+2.37*3.7=2.37*(6.3+3.7)=2.37*10=23.7
5.73-2.43+3.27-4.53=(5.73+3.27)-(2.43+4.53)?
3.8*10.1=3.8*10+3.8*0.1=38+0.38=38.38