7/8/{(1/2-1/4)*3/16}
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7/8/{(1/2-1/4)*3/16}7/8/{(1/2-1/4)*3/16}7/8/{(1/2-1/4)*3/16}7/8/{(1/2-1/4)*3/16}=7/8/[(1/4)*3/16]=7/
7/8/{(1/2-1/4)*3/16}
7/8/{(1/2-1/4)*3/16}
7/8/{(1/2-1/4)*3/16}
7/8/{(1/2-1/4)*3/16}
=7/8/[(1/4)*3/16]
=7/8/(3/64)
=56/3
7/8/{(1/2-1/4)*3/16}
1/2+3/4+7/8+15/16简算
1/2+3/4+7/8+15/16+...+1023/1024
1/2,-3/4,7/8,-15/16找规律
找规律 1/16,1/8,1/4,7/16,( ),3/2
找规律 1/16,1/8,1/4,7/16,( ),2/3
找规律算一算:已知2/1(/代表分数线)+4/1=4/3,4/3+8/1=8/7,8/7+16/1=16/15:2/1+4/1+8/1+16/1+32/1=().
(1/3+2/5+3/7+4/9)/(4/3+8/5+12/7+16/9)
计算0.064^(1/3)-(-7/8)^0+[(-2)^3]^(4/3)+16^(-0.75)+/-0.01/^(1/2)
(0.064)^-1/3-(-7/8)^0+[(-2)^3]^-4/3+16^-0.75+0.01^1/2
(0.064)^-1/3-(-7/8)^0+[(-2)^3]^-4/3+16^-0.75+0.01^1/2
计算(7+1)(7^2+1)(7^4+1)(7^8+1)(7^16+1)
6(7+1)(7^2+1)(7^4+1)(7^8+1)(7^16+1)
2/1+4/2+8/3+16/4+32/5+64/6+128/7+256/8
计算行列式D=2 7 8 9 -5 3 1 -8 1 7 8 9 6 4 2 -16
数列求和:1/2+3/4+5/8+7/16+.+(2n-1)/(2^n)
数列求和:1/2+3/4+5/8+7/16+.+(2n-1)/(2^n)
求和:S=1/2+3/4+5/8+7/16+.+(2n-1)/2^n