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-
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