(-1)*2*(-3)*4*...(-49)*50*(-2)的50次方/2*4*6*...*100
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(-1)*2*(-3)*4*...(-49)*50*(-2)的50次方/2*4*6*...*100
(-1)*2*(-3)*4*...(-49)*50*(-2)的50次方/2*4*6*...*100
(-1)*2*(-3)*4*...(-49)*50*(-2)的50次方/2*4*6*...*100
(-1)*2*(-3)*4*...(-49)*50*(-2)的50次方/2*4*6*...*100
=(-1)*2*(-3)*4*...(-49)*50*(-2)的50次方/(1)*2*(3)*4*...(49)*50*(-2)的50次方
=(-1)的25次方
=(-1)
答案等于-1,这么简单的题目都不会做,你几年级?
1()2()3()4
1 2 3 4 ()
(1) (2) (3) (4) (5)
1)2)3)4)5)
1) 2) 3) 4) 5)
1,2,2,4,3,8,4,16,()()
0-(+2/1)-(+5/2)-(-4/3)-(+4/1)-(-5/3)
(-1/2)-(-1/3)-(+1/4)
计算((1/3)^2)×4^0+((1/3)^4)×4^1+((1/3)^6)×4^2+…+((1/3)^2n)×4^(n-1)
(1-2)(1-3)(3-4)(4-5)...(19-20)=
计算(1)(2)(3)(4)题,
(1)、(2)、(3)、(4).
6.(1)、(2)、(3)、(4)
19 (1).(2).(3).(4)
(2)(3)(4)化简,(1)计算
(1)、(2)、(3)、(4)题对吗?
第六题(1)(2)(3)(4)
-1-(-2)-(+3)+(-4)-(-5)