作业帮能简便的要简便(13)(712 - 13 )×27 (14) 36分之5 ÷[( 4分之3 - 6分之1 )×3分之2 ](15)59 ÷[(37 - 114 )×79 ] (16)2520÷24+5010(17)5-1.05×2.4 (18) 8分之1 ÷[ ×( 8分之3 +4分之1 )]
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 06:43:47
59 ÷[(37 - 114 )×79 ] (16)2520÷24+5010(17)5-1.05×2.4 (18) 8分之1 ÷[ ×( 8分之3 +4分之1 )]](/uploads/image/z/1993277-29-7.jpg?t=%E8%83%BD%E7%AE%80%E4%BE%BF%E7%9A%84%E8%A6%81%E7%AE%80%E4%BE%BF%2813%29%28712+-+13+%29%C3%9727+%2814%29+36%E5%88%86%E4%B9%8B5+%C3%B7%5B%28+4%E5%88%86%E4%B9%8B3+-+6%E5%88%86%E4%B9%8B1+%29%C3%973%E5%88%86%E4%B9%8B2+%5D%2815%2959+%C3%B7%5B%2837+-+114+%29%C3%9779+%5D+%2816%292520%C3%B724%2B5010%2817%295-1.05%C3%972.4+%2818%29+8%E5%88%86%E4%B9%8B1+%C3%B7%5B+%C3%97%28+8%E5%88%86%E4%B9%8B3+%2B4%E5%88%86%E4%B9%8B1+%29%5D)
能简便的要简便(13)(712 - 13 )×27 (14) 36分之5 ÷[( 4分之3 - 6分之1 )×3分之2 ](15)59 ÷[(37 - 114 )×79 ] (16)2520÷24+5010(17)5-1.05×2.4 (18) 8分之1 ÷[ ×( 8分之3 +4分之1 )]
能简便的要简便
(13)(712 - 13 )×27 (14) 36分之5 ÷[( 4分之3 - 6分之1 )×3分之2 ]
(15)59 ÷[(37 - 114 )×79 ] (16)2520÷24+5010
(17)5-1.05×2.4 (18) 8分之1 ÷[ ×( 8分之3 +4分之1 )]
能简便的要简便(13)(712 - 13 )×27 (14) 36分之5 ÷[( 4分之3 - 6分之1 )×3分之2 ](15)59 ÷[(37 - 114 )×79 ] (16)2520÷24+5010(17)5-1.05×2.4 (18) 8分之1 ÷[ ×( 8分之3 +4分之1 )]
(13)(712 - 13 )×27
=699×27
=18873
(14) 36分之5 ÷[( 4分之3 - 6分之1 )×3分之2 ]
=5/36÷[3/4×2/3-1/6×2/3]
=5/36÷[1/2-1/9]
=5/36÷7/18
=5/36×18/7
=5/14
(15)59 ÷[(37 - 114 )×79 ]
=59÷[-77×79]
=59÷（-6083）
=-59/6083
(16)2520÷24+5010
=105+5010
=5115
(17)5-1.05×2.4
=5- 2.52
=2.48
(18) 8分之1 ÷[ 5分之4 ×( 8分之3 +4分之1 )]
=1/8÷[4/5×5/8]
=1/8÷1/2
=1/4