-3/8-(+1/4)-(-1/2)-12/9-1又5/8+(-2又1/4)-(8又12/19)等于
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-3/8-(+1/4)-(-1/2)-12/9-1又5/8+(-2又1/4)-(8又12/19)等于-3/8-(+1/4)-(-1/2)-12/9-1又5/8+(-2又1/4)-(8又12/19)等于
-3/8-(+1/4)-(-1/2)-12/9-1又5/8+(-2又1/4)-(8又12/19)等于
-3/8-(+1/4)-(-1/2)-12/9-1又5/8+(-2又1/4)-(8又12/19)等于
-3/8-(+1/4)-(-1/2)-12/9-1又5/8+(-2又1/4)-(8又12/19)等于
-3/8-(+1/4)-(-1/2)-12/19-1又5/8+(-2又1/4)-(-8又12/19)
=(-3/8-1又5/8)+(-1/4-2又1/4+1/2)+(-12/19+8又12/19)
=-2-2+8
=4
原式=-3/8-1/4+1/2-12/9-13/8-9/4-164/19
=-3/8-13/8-1/4-9/4+1/2-12/9-164/19
=-16/8-10/4+1/2-4/3-164/19
=-16/8-20/8+4/8-4/3-164/19
=-32/8-4/3-164/19
=-4-76/57-492/57
=-4-568/57-2/57+2/57
=-14+2/57
答:原题等于-13又55/57。
计算:8(3^2+1)(3^4+1)(3^8+1)(3^16+1)+1
1/1*2*3+1/2*3*4+1/3*4*5+.+1/8*9*10
1+1+1+1+1+1+1+1+1+2+5+4+8+3+6+2+1+4等于多少?
1:8 2:9 1:9 3:4 1:3 ...
(-4/3)*(-8+3/2-3/1)
1/2÷【2/3×(1/8+1/4)】
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
简便运算2*(1+3)(1+3^2)(1+3^4)(1+3^8)+1
1*2/1+2*3/1+3*4/1+...+8*9/1+9*10/1简算
((1/2)-1)*((1/3)-1)*((1/4)-1)*((1/5)-1)*((1/6)-1)*((1/7)-1)*((1/8)-1)*((1/9)-1)*((1/10)-1)
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matlab 编程数组的数据如下:8 1 1 1 1 1 1 3 3 2 1 1 5 1 1 3 1 1 2 1 1 5 3 3 3 1 1 4 5 1 1 1 1 1 2 2 2 2 4 3 1 5 4 2 1 1 1 2 1 3 1 1 2 2 5 2 1 3 2 5 1 1 3 1 1 1 1 2 1 5 4 2 2 1 3 4 1 2 3 1 2 4 4 1 1 1 2 2 2 2 2 1 1 4 4 1 3 2 1 1 5 1 1 3 7 1 1
计算:(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
简便计算(3+1)(3^2+1)(3^4+1)(3^8+1)+(3^16+1)