9.4-1.2\0.6+6.24=的简便运算
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![9.4-1.2\0.6+6.24=的简便运算](/uploads/image/z/132249-57-9.jpg?t=9.4-1.2%5C0.6%2B6.24%3D%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
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9.4-1.2\0.6+6.24=的简便运算
9.4-1.2\0.6+6.24=的简便运算
9.4-1.2\0.6+6.24=的简便运算
9.4-1.2\0.6+6.24
=9.4-2+6.24=15.64-2=13.64
原式=9.4-2+6.24
=7.4+6.24
=13.64
=9.4-2+6.24
=7.4+6.24
=13.64