(33221-332.21) (66442-664.42)简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/26 11:22:23
![(33221-332.21) (66442-664.42)简便运算](/uploads/image/f/11775-39-5.jpg?t=%2833221-332.21%29+%2866442-664.42%29%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
(1)(33221-332.21)÷(66442-664.42)
(33221-332.21)÷(66442-664.42)=(33221-332.21)÷2(33221-332.21)=0.5(2002002+200.2002)÷(8008008+800.8008
33221-332.21/66442-664.42的简便方法计算
(33221-332.21)/(66442-664.42)=332.21×(100-1)/664.42×(100-1)=332.21/664.42=1/2
(33221-332.21)➗(66442-664.42)简便计算
对第二个括号提取公约数33221,分子分母约分,结果等于0.5