简便计算,一定要有简便的过程!1\4÷(2\3+1\2)x4\5(3\4-3\5)÷7\101-5\14÷5\7[8\15-(4\5-3\10)]x15\14
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![简便计算,一定要有简便的过程!1\4÷(2\3+1\2)x4\5(3\4-3\5)÷7\101-5\14÷5\7[8\15-(4\5-3\10)]x15\14](/uploads/image/z/5425661-29-1.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C%E4%B8%80%E5%AE%9A%E8%A6%81%E6%9C%89%E7%AE%80%E4%BE%BF%E7%9A%84%E8%BF%87%E7%A8%8B%211%5C4%C3%B7%282%5C3%2B1%5C2%29x4%5C5%283%5C4-3%5C5%29%C3%B77%5C101-5%5C14%C3%B75%5C7%5B8%5C15-%284%5C5-3%5C10%29%5Dx15%5C14)
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简便计算,一定要有简便的过程!1\4÷(2\3+1\2)x4\5(3\4-3\5)÷7\101-5\14÷5\7[8\15-(4\5-3\10)]x15\14
简便计算,一定要有简便的过程!
1\4÷(2\3+1\2)x4\5
(3\4-3\5)÷7\10
1-5\14÷5\7
[8\15-(4\5-3\10)]x15\14
简便计算,一定要有简便的过程!1\4÷(2\3+1\2)x4\5(3\4-3\5)÷7\101-5\14÷5\7[8\15-(4\5-3\10)]x15\14
(1/4÷1/2+1/4÷1/2)x4/5
=(1/4x3/2+1/4x2)x4/5
=3/8x4/5+1/2x4/5
=3/10+2/5
=7/10