( 1) 9*27
(3) (-2)-8- 14- 13
(4) (-7)*(- 1)/7+8
(5) (- 1 1)*4-(- 18)/ 18
(6) 4+(- 1 1)- 1/(-3)
(7) (- 17)-6- 16/(- 18)
(8) 5/7+(- 1)-(-8)
(9) (- 1)*(- 1)+ 15+ 1
( 10) 3-(-5)*3/(- 15)
( 1 1) 6*(- 14)-(- 14)+(- 13)
( 12) (- 15)*(- 13)-(- 17)-(-4)
( 13) (-20)/ 13/(-7)+ 1 1
( 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
(2 1) (- 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) 1 1/(- 19)+(- 14)-5
(29) 19- 16+ 18/(- 1 1)
(30) (- 1)/ 19+(-5)+ 1
(3 1) (-5)+ 19/ 10*(-5)
(32) 1 1/(- 17)*(- 13)* 12
(33) (-8)+(- 10)/8* 17
(34) 7-(- 12)/(- 1)+(- 12)
(35) 12+ 12- 19+20
(36) (- 13)*(- 1 1)*20+(-4)
(37) 17/(-2)-2*(- 19)
(38) 1- 12*(- 16)+(-9)
(39) 13*(- 14)- 15/20
(40) (- 15)*(- 13)-6/(-9)
(4 1) 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)
Answer:
1 243
3 -37
4 9
5 -43
6 -(20/3)
7 -( 199/9)
8 54/7
9 17
10 2
1 1 -83
12 2 16
13 102 1/9 1
14 27/7
15 - 174 1
16 73
17 127
18 -(2885/ 12)
19 842
20 5
2 1 2 14
22 -4 1
23 -( 13/28)
24 -(5 1/ 10)
25 24
26 -(268/39)
27 39/5
28 -(372/ 19)
29 15/ 1 1
30 -(77/ 19)
3 1 -(29/2)
32 17 16/ 17
33 -( 1 17/4)
34 - 17
35 25
36 2856
37 59/2
38 184
39 -(73 1/4)
40 587/3
4 1 23/4
42 -37
43 43680
44 -22
45 -( 1 18/7)
46 -( 192/ 17)
47 145/24
48 - 12000
49 -(3/4)
50 -8 19
More: -5+2 1*8/2-6-59
68/2 1-8- 1 1*8+6 1
-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
-3x+2y-5x-7y
-5+2 1*8/2-6-59
68/2 1-8- 1 1*8+6 1
-2/9-7/9-56
2.4-(-3/5)+(-3. 1)+4/5
(-6/ 13)+(-7/ 13)-(-2)
3/4-(- 1 1/6)+(-7/3)
1 1+(-22)-3×(- 1 1)
(-0. 1)÷ 1/2×(- 100)
2.4-(-3/5)+(-3. 1)+4/5
(-6/ 13)+(-7/ 13)-(-2)
3/4-(- 1 1/6)+(-7/3)
1 1+(-22)-3×(- 1 1)
(-0. 1)÷ 1/2×(- 100)
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
-3x+2y-5x-7y。 (-8)-(- 1)
45+(-30)
- 1.5-(- 1 1.5)
- 1/4-(- 1/2)
15-[ 1-(20-4)]
-40-28-(- 19)+(-24)
22.54+(-4.4)+(- 12.54)+4.4
(2/3- 1/2)-( 1/3-5/6)
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+2 1*8/2-6-59
68/2 1-8- 1 1*8+6 1
-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
- 1+2-3+4-5+6-7
-50-28+(-24)-(-22)
- 19.8-(-20.3)-(+20.2)- 10.8
0.25- +(- 1 )-(+3 )
- 1-〔 1-( 1-0.6÷3)〕×〔2-(-3)×(-4)〕
0÷(-4)-42-(-8)÷(- 1)3
-32-(-3) 2-(-3)3+(- 1)6
3×(-2)2+(-2×3)2+(-2+3)2
(- 12)÷4×(-6)÷2
(- 12)÷4×(-6)×2
75÷〔 138÷( 100-54)〕
85×(95- 1440÷24)
80400-(4300+870÷ 15)
240×78÷( 154- 1 15)
1437×27+27×563
〔75-( 12+ 18)〕÷ 15
2 160÷〔(83-79)× 18〕
280+840÷24×5
325÷ 13×(266-250)
85×(95- 1440÷24)
58870÷( 105+20×2)
1437×27+27×563
8 1432÷( 13×52+78)
[37.85-(7.85+6.4)] ×30
156×[( 17.7-7.2)÷3]
(947-599)+76×64
36×(9 13-276÷23)
-(3.4 1.25×2.4)
0.8×〔 15.5-(3.2 1 5.79)〕
(3 1.8 3.2×4)÷5
194-64.8÷ 1.8×0.9 36.72÷4.25×9.9
3.4 16÷(0.0 16×35)
0.8×[( 10-6.76)÷ 1.2]
( 136+64)×(65-345÷23)
(6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8
(58+37)÷(64-9×5)
8 12-700÷(9+3 1× 1 1)
(3.2× 1.5+2.5)÷ 1.6
85+ 14×( 14+208÷26)
120-36×4÷ 18+35
(284+ 16)×(5 12-8208÷ 18)
9.72× 1.6- 18.305÷7
4/7÷[ 1/3×(3/5-3/ 10)]
(4/5+ 1/4)÷7/3+7/ 10
12.78-0÷( 13.4+ 156.6 )
37.8 12-700÷(9+3 1× 1 1)
( 136+64)×(65-345÷23)
3.2×( 1.5+2.5)÷ 1.6
85+ 14×( 14+208÷26)
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
(284+ 16)×(5 12-8208÷ 18)
0. 12× 4.8÷0. 12×4.8
(3.2× 1.5+2.5)÷ 1.6
120-36×4÷ 18+35
10. 15- 10.75×0.4-5.7
5.8×(3.87-0. 13)
+4.2×3.74 347+45×2-4 160÷52
32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)
[(7. 1-5.6)×0.9- 1. 15] ÷2.5 (3.2× 1.5+2.5)÷ 1.6
5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷( 12-7.2)-6
3.2×6+( 1.5+2.5)÷ 1.6 (3.2× 1.5+2.5)÷ 1.6
5.8×(3.87-0. 13)+4.2×3.74
33.02-( 148.4-90.85)÷2.5
[|-98|+76+(-87)]-23[56+(-75)-(7)]-(8+4+3)
-(-89)+|-87|-23+[-75-(7)+76]-( 10+39-24)
|-9.8|+(-4.6)-[8.7-(- 1.3)]+(-5.4)-(-0.2)
[-(-84)+46]-|-9. 1|+(+ 1.9)
[-(-90)+(-34)]-(+43)+(-57)+ 10
5+2 1+8/2-6-59
68/2 1-8- 1 1-8+6 1
-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)
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
(-5)-(+3)+(-9)-(-7)
(-5)+(+8)-(+2)-(-3)
5-(-3 )-(+7)-2
(-2 1)+(+ 16)-(- 13)-(+7)+(-6)
2 -(- )+(-0.5)+(+2)-(+ )-2
(-7)-(+5)+(+3)-(-9)
-(+2 )-(- 1 )-(+3 )
- 14 5 (-3)=- 12
- 12 (-7) (-5) (-6)
23.33-(+76.76)
(-6-24.3)-(- 12+9. 1)+(0-2. 1)
6+(7-8)
(-78)+25+26+27
(-3)+(-2)+(- 1)
39+28+26- 125
[2/3-4- 1/4+(-0.4)]+ 1/3+2
22+(-4)+(-2)+4-3
(-2)+7-(- 16)-(-3)
(-5)-(+3)+(-9)-(-7)
(- 1/4)+(-5/6)-(- 1/3)+2/3- 1/6
2/3+(- 1/2)-(- 1/3)+ 1/4
(-5)+(-8)-(-2)-3
(-2 1)+(+ 16)-(- 13)-(+7)+(-6)
(-2/3)+(- 1/3)+3/4+(- 1/4)
(-0.73)+(-0.62)-(+0.75)
(- 19)+(- 1 1)-(-33)+27
(-6.4)+(-3.6)-(- 12.5)+4.5
(-8 1)+(- 19)-27+33
(-3.2)-(-6.2)+(-5. 1)+(-4.9)
(-6.9)+(-3. 1)+(+2.7)+(-2. 1)
1)-23÷ 1 ×(- 1 )2÷( 1 )2;
(2)- 14-(2-0.5)× ×[( )2-( )3];
(3)- 1 ×[ 1-3×(- )2]-( )2×(-2)3÷(- )3
(4)(0. 12+0.32) ÷ [-22+(-3)2-3 × ];
(5)-6.24×32+3 1.2×(-2)3+(-0.5 1) ×624.
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+2 1*8/2-6-59
68/2 1-8- 1 1*8+6 1
-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
-3x+2y-5x-7y
75÷〔 138÷( 100-54)〕 85×(95- 1440÷24)
80400-(4300+870÷ 15) 240×78÷( 154- 1 15)
1437×27+27×563 〔75-( 12+ 18)〕÷ 15
2 160÷〔(83-79)× 18〕 280+840÷24×5
325÷ 13×(266-250) 85×(95- 1440÷24)
58870÷( 105+20×2) 1437×27+27×563
8 1432÷( 13×52+78) [37.85-(7.85+6.4)] ×30
156×[( 17.7-7.2)÷3] (947-599)+76×64
36×(9 13-276÷23) [ 192-(54+38)]×67
[(7. 1-5.6)×0.9- 1. 15]÷2.5 8 1432÷( 13×52+78)
5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0. 18 2.88 1÷0.43-0.24×3.5 20×[(2.44- 1.8)÷0.4+0. 15] 28-(3.4 / kloc-0/.25×2.4) 0.8×〔 15.5-(3.2 1 5.79)〕 (3 1.8 3.2×4)÷5 194-64.8÷ 1.8×0.9 36.72÷4.25×9.9 3.4 16÷(0.0 16×35) 0.8×[( 10-6.76)÷ 1.2]
( 136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8 (58+37)÷(64-9×5)
8 12-700÷(9+3 1× 1 1) (3.2× 1.5+2.5)÷ 1.6
85+ 14×( 14+208÷26) 120-36×4÷ 18+35
(284+ 16)×(5 12-8208÷ 18) 9.72× 1.6- 18.305÷7
4/7÷[ 1/3×(3/5-3/ 10)] (4/5+ 1/4)÷7/3+7/ 10
12.78-0÷( 13.4+ 156.6 ) 37.8 12-700÷(9+3 1× 1 1) ( 136+64)×(65-345÷23) 3.2×( 1.5+2.5)÷ 1.6
85+ 14×( 14+208÷26) (58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5 (284+ 16)×(5 12-8208÷ 18)
0. 12× 4.8÷0. 12×4.8 (3.2× 1.5+2.5)÷ 1.6
120-36×4÷ 18+35 10. 15- 10.75×0.4-5.7
5.8×(3.87-0. 13)+4.2×3.74 347+45×2-4 160÷52
32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)
[(7. 1-5.6)×0.9- 1. 15] ÷2.5 (3.2× 1.5+2.5)÷ 1.6
5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷( 12-7.2)-6
3.2×6+( 1.5+2.5)÷ 1.6 (3.2× 1.5+2.5)÷ 1.6
5.8×(3.87-0. 13)+4.2×3.74
33.02-( 148.4-90.85)÷2.5
(1) Calculation problem:
( 1)23+(-73)
(2)(-84)+(-49)
(3)7+(-2.04)
(4)4.23+(-7.57)
(5)(-7/3)+(-7/6)
(6)9/4+(-3/2)
(7)3.75+(2.25)+5/4
(8)-3.75+(+5/4)+(- 1.5)
(9)(- 17/4)+(- 10/3)+(+ 13/3)+( 1 1/3)
( 10)(- 1.8)+(+0.2)+(- 1.7)+(0. 1)+(+ 1.8)+(+ 1.4)
( 1 1)(+ 1.3)-(+ 17/7)
( 12)(-2)-(+2/3)
( 13)|(-7.2)-(-6.3)+( 1. 1)|
( 14)|(-5/4)-(-3/4)|-| 1-5/4-|-3/4|)
( 15)(-2/ 199)*(-7/6-3/2+8/3)
( 16)4a)*(-3b)*(5c)* 1/6
1.3/7 × 49/9 - 4/3
2.8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4.8× 5/4 + 1/4
5.6÷ 3/8 – 3/8 ÷6
6.4/7 × 5/9 + 3/7 × 5/9
7.5/2 -( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )
9.9 × 5/6 + 5/6
10.3/4 × 8/9 - 1/3
0. 12χ+ 1.8×0.9=7.2 (9-5χ)×0.3= 1.02 6.4χ-χ=28+4.4
1 1.7 × 5/49 + 3/ 14
12.6 ×( 1/2 + 2/3 )
13.8 × 4/5 + 8 × 1 1/5
14.3 1 × 5/6 – 5/6
15.9/7 - ( 2/7 – 10/2 1 )
16.5/9 × 18 – 14 × 2/7
17.4/5 × 25/ 16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/ 15
19. 17/32 – 3/4 × 9/24
20.3 × 2/9 + 1/3
2 1.5/7 × 3/25 + 3/7
22.3/ 14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24.9/22 + 1/ 1 1 ÷ 1/2
25.5/3 × 1 1/5 + 4/3
26.45 × 2/3 + 1/3 × 15
27.7/ 19 + 12/ 19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29.8/7 × 2 1/ 16 + 1/2
30. 10 1 × 1/5 – 1/5 × 2 1
3 1.50+ 160÷40 (58+370)÷(64-45)
32. 120- 144÷ 18+35
33.347+45×2-4 160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36. 178- 145÷5×6+42 420+580-64×2 1÷28
37.8 12-700÷(9+3 1× 1 1) ( 136+64)×(65-345÷23)
38.85+ 14×( 14+208÷26)
39.(284+ 16)×(5 12-8208÷ 18)
40. 120-36×4÷ 18+35
4 1.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0. 12× 4.8÷0. 12×4.8
44.(3.2× 1.5+2.5)÷ 1.6 (2)3.2×( 1.5+2.5)÷ 1.6
45.6- 1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8- 1.2×5= 6- 1. 19×3-0.43=
47.6.5×(4.8- 1.2×4)= 0.68× 1.9+0.32× 1.9
48. 10. 15- 10.75×0.4-5.7
49.5.8×(3.87-0. 13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
5 1.-5+58+ 13+90+78-(-56)+50
52.-7*2-57/(3
53.(-7)*2/( 1/3)+79/(3+6/4)
54. 123+456+789+98/(-4)
55.369/33-(-54-3 1/ 15.5)
56.39+{3x[42/2x(3x8)]}
57.9x8x7/5x(4+6)
58. 1 1x 22/(4+ 12/2)
59.94+(-60)/ 10