(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)
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(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)(-5/
(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)
(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)
(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)
(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)
=(8/15)-[1又(5/8)/(-13/16)]
=(8/15)-(-2)
=2又(8/15)
=38/15
等于17/6
3 2 5 4 7 ( )
找出下面数字的规律 填空白处的数字7 7 2 5 7 5 3 5 7 4 7 3 7 4 7 5 5 3 7 5 7 3 7 7 7 5 5 3 5 7 5 4 4 7 5 7 7 5 7 5 4 7 5 3 7 __ 7 2 5 7 7 4 5 7 5 7 7 3 1 4 7 7 5 4 7 7 4 5 7 2 7 7 4 7 5 7 2 7 7 3 7 7 5 4 7 7 7 4 7 7 5 4 7 7 3 4 4 7 5 7
计算:[(5-7/2)*9/4]/[4/(4+4/3)]
3/7×4/5+4/7×2/5简便计算
(-5/4)/(-3/2)-(3/4+7/8)/(-13/16)
2、3、4、5、6、7、8
2,3,4,5,6,7,8
2、3、4、5、6、7
2 3 4 5 6 7
1、2、3、4、5、6、7
1,2,3,4,5,6,7,
2 3 4 5 6 7 8
1,2 ,3,4,5,6,7
1+2-3+4-5+6-7
2,3,4,5,6,7
2,3,4,5,6,7,8,
2,3,4,5,8,7,( ) ( )里填几
2,3,4,5,6,7题