3-8/9×6/5÷32/3 (1-1/4×8/9)×9/7 (5/6+1/3)÷(3/4-2/3) 3/4÷(1/2-
来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/04/29 17:24:17
3-8/9×6/5÷32/3 (1-1/4×8/9)×9/7 (5/6+1/3)÷(3/4-2/3) 3/4÷(1/2-1/3)÷3/2
(简便计算)
(简便计算)
3-8/9×6/5÷32/3 (1-1/4×8/9)×9/7 (5/6+1/3)÷(3/4-2/3)
=3-1/10 =(1-2/9)X9/7 =7/6÷1/12
=2又9/10 =1 =14
3/4÷(1/2-1/3)÷3/2
=3/4÷1/6÷3/2
=3
再问: 8/15×(3/8+14/15÷7/10) 12÷【(7/9-2/3)×9/10】 3/10×20/3-5/8÷5/2 5/8-6/25×5/2+1/4 (这几条再帮忙一下,会加分的
再答: 8/15×(3/8+14/15÷7/10)12÷【(7/9-2/3)×9/10】 3/10×20/3-5/8÷5/2 =8/15X(3/8+4/3) =12÷1/10 =2-1/4 =41/45 =120 =1又3/4 5/8-6/25×5/2+1/4 =5/8-3/5+1/4 =11/40
=3-1/10 =(1-2/9)X9/7 =7/6÷1/12
=2又9/10 =1 =14
3/4÷(1/2-1/3)÷3/2
=3/4÷1/6÷3/2
=3
再问: 8/15×(3/8+14/15÷7/10) 12÷【(7/9-2/3)×9/10】 3/10×20/3-5/8÷5/2 5/8-6/25×5/2+1/4 (这几条再帮忙一下,会加分的
再答: 8/15×(3/8+14/15÷7/10)12÷【(7/9-2/3)×9/10】 3/10×20/3-5/8÷5/2 =8/15X(3/8+4/3) =12÷1/10 =2-1/4 =41/45 =120 =1又3/4 5/8-6/25×5/2+1/4 =5/8-3/5+1/4 =11/40
3-8/9×6/5÷32/3 (1-1/4×8/9)×9/7 (5/6+1/3)÷(3/4-2/3) 3/4÷(1/2-
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