4×(-5)-4×(7-5/4)+8/17×(-4 1/4) 简便计算
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4×(-5)-4×(7-5/4)+8/17×(-4 1/4) 简便计算
4×(-5)-4×(7-5/4)+8/17×(-4 1/4) 简便计算
4×(-5)-4×(7-5/4)+8/17×(-4 1/4) 简便计算
4×(-5)-4×(7-5/4)+8/17×(-4 1/4) 简便计算
1,2,4,5,7,8,10,( ),( )
1、2、3、4、5、7、8
5a-1/8=7/4
1,2,4,5,7,8
两道简算题,急用!(1/4+5/8)/(7/4-7/8)(3/5-1/4)/(3/4+1/5)
[2^4+1/4)(4^4+1/4)(6^4+1/4)(8^4+1/4)(10^4+1/4)】/[1^4+1/4)(3^4+1/4)(5^4+1/4)(7^4+1/4)(9^4+1/4)]
4分之1+7分之4-8分之5
1+2+3+4+5+6+7+8+9-5+5-3+5+4+4+7-8-5.123456789+123456789
4,5,6,7,8 4,5,6,7,8
7/2:4/5 0.5:1/4 3.2:8/7 4/5:0.5
8/4+7-5等于?
4,5,6,7,8
选择题4,5,7,8
4、5、7、8题,.
4,5,6,7,8
4 5 6 7 8
4 5 6 7 8