如题所述
答案在下面 (1) (-9)-(-13)+(-20)+(-2) (2) 3+13-(-7)/6 (3) (-2)-8-14-13 (4) (-7)*(-1)/7+8 (5) (-11)*4-(-18)/18 (6) 4+(-11)-1/(-3) (7) (-17)-6-16/(-18) (8) 5/7+(-1)-(-8) (9) (-1)*(-1)+15+1 (10) 3-(-5)*3/(-15) (11) 6*(-14)-(-14)+(-13) (12) (-15)*(-13)-(-17)-(-4) (13) (-20)/13/(-7)+11 (14) 8+(-1)/7+(-4) (15) (-13)-(-9)*16*(-12) (16) (-1)+4*19+(-2) (17) (-17)*(-9)-20+(-6) (18) (-5)/12-(-16)*(-15) (19) (-3)-13*(-5)*13 (20) 5+(-7)+17-10 (21) (-10)-(-16)-13*(-16) (22) (-14)+4-19-12 (23) 5*13/14/(-10) (24) 3*1*17/(-10) (25) 6+(-12)+15-(-15) (26) 15/9/13+(-7) (27) 2/(-10)*1-(-8) (28) 11/(-19)+(-14)-5 (29) 19-16+18/(-11) (30) (-1)/19+(-5)+1 (31) (-5)+19/10*(-5) (32) 11/(-17)*(-13)*12 (33) (-8)+(-10)/8*17 (34) 7-(-12)/(-1)+(-12) (35) 12+12-19+20 (36) (-13)*(-11)*20+(-4) (37) 17/(-2)-2*(-19) (38) 1-12*(-16)+(-9) (39) 13*(-14)-15/20 (40) (-15)*(-13)-6/(-9) (41) 15*(-1)/12+7 (42) (-13)+(-16)+(-14)-(-6) (43) 14*12*(-20)*(-13) (44) 17-9-20+(-10) (45) 12/(-14)+(-14)+(-2) (46) (-15)-12/(-17)-(-3) (47) 6-3/9/(-8) (48) (-20)*(-15)*10*(-4) (49) 7/(-2)*(-3)/(-14) (50) 13/2*18*(-7) 答案: 1 -18 2 103/6 3 -37 4 9 5 -43 6 -(20/3) 7 -(199/9) 8 54/7 9 17 10 2 11 -83 12 216 13 1021/91 14 27/7 15 -1741 16 73 17 127 18 -(2885/12) 19 842 20 5 21 214 22 -41 23 -(13/28) 24 -(51/10) 25 24 26 -(268/39) 27 39/5 28 -(372/19) 29 15/11 30 -(77/19) 31 -(29/2) 32 1716/17 33 -(117/4) 34 -17 35 25 36 2856 37 59/2 38 184 39 -(731/4) 40 587/3 41 23/4 42 -37 43 43680 44 -22 45 -(118/7) 46 -(192/17) 47 145/24 48 -12000 49 -(3/4) 50 -819
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第1个回答 2017-10-03
[-|98|+76+(-87)]*2
3[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3本回答被网友采纳
3[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3本回答被网友采纳