数学 奥数 有例子计算:(44332-443.32)÷(88664-886.64) (44332-443.32)÷(88
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数学 奥数 有例子
计算:(44332-443.32)÷(88664-886.64)
(44332-443.32)÷(88664-886.64)
=(44332-443.32)÷[(44332-443.32)×2] (应用除法运算性质)
=(44332-443.32)÷(44332-443.32)÷2
= 1÷2
= 0.5
提问:
(1)(33221-332.21)÷(66442-664.42)
(2)(2002002+200.2002)÷(8008008+800.8008)
(3) (1234+123.4-12.34)-(2468+246.8-24.68)
标准答案
(1)0.5 (2)0.25 (3)
计算:(44332-443.32)÷(88664-886.64)
(44332-443.32)÷(88664-886.64)
=(44332-443.32)÷[(44332-443.32)×2] (应用除法运算性质)
=(44332-443.32)÷(44332-443.32)÷2
= 1÷2
= 0.5
提问:
(1)(33221-332.21)÷(66442-664.42)
(2)(2002002+200.2002)÷(8008008+800.8008)
(3) (1234+123.4-12.34)-(2468+246.8-24.68)
标准答案
(1)0.5 (2)0.25 (3)
![数学 奥数 有例子计算:(44332-443.32)÷(88664-886.64) (44332-443.32)÷(88](/uploads/image/z/17035864-16-4.jpg?t=%E6%95%B0%E5%AD%A6+%E5%A5%A5%E6%95%B0+%E6%9C%89%E4%BE%8B%E5%AD%90%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%8844332%EF%BC%8D443.32%EF%BC%89%C3%B7%EF%BC%8888664%EF%BC%8D886.64%EF%BC%89+%EF%BC%8844332%EF%BC%8D443.32%EF%BC%89%C3%B7%EF%BC%8888)
1)(33221-332.21)÷(66442-664.42)
=(33221-332.21)÷[(33221-332.21)×2]
=1÷2
=0.5
(2)(2002002+200.2002)÷(8008008+800.8008)
=(2002002+200.2002)÷[(2002002+200.2002)×4]
=1÷4
=0.25
(3) (1234+123.4-12.34)-(2468+246.8-24.68)
=(1234+123.4-12.34)-[(1234+123.4-12.34)×2]
=1÷2
=0.5
希望对你有帮助
=(33221-332.21)÷[(33221-332.21)×2]
=1÷2
=0.5
(2)(2002002+200.2002)÷(8008008+800.8008)
=(2002002+200.2002)÷[(2002002+200.2002)×4]
=1÷4
=0.25
(3) (1234+123.4-12.34)-(2468+246.8-24.68)
=(1234+123.4-12.34)-[(1234+123.4-12.34)×2]
=1÷2
=0.5
希望对你有帮助
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