102×(-4.5)-(-3)×(-5) ÷2
7.8×6.9+2.2×6.9
(-2)+2-(-52)×(- 1) ×5+87÷(-3)×(- 1)
5.6×0.258×(20- 1.25)
(-7. 1) ×〔(-3)×(-5)〕÷2
-2.5×(-4.8)×(0.09)÷(-0.27)
127+352+73+44×(-2)
89×276+(- 135)-33
25×7 1+75÷29 -88÷(-2)
243+89+ 1 1 1+57
9405-2940÷28×2 1
920- 1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2 100-94+48×54
5 1+(2304-2042)×23
42 15+(436 1-7 16)÷8 1
(247+ 18)×27÷25
36-720÷(360÷ 18)
1080÷(63-54)×80
(528+9 12)×5-6 178
8528÷4 1×38-904
264+3 18-8280÷69
( 174+209)×26- (9000^0)
8 14-(278+322)÷ 15
1406+735×9÷45
3 168-7828÷38+504
796-5040÷(630÷7)
285+(3000-372)÷36
1+5/6- 19/ 12
3x(-9)+7x(-9)
(-54)x 1/6x(- 1/3)
1. 18. 1+(3-0.299÷0.23)× 1
2.(6.8-6.8×0.55)÷8.5
3.0. 12× 4.8÷0. 12×4.84
3.2× 1.5+2.5÷(- 1.6)
(-2)×3.2×( 1.5+2.5)÷ 1.6
5.6- 1.6÷4+(6.8-9)
5.38+7.85-5.37÷89
6.7.2÷0.8- 1.2×5
6- 1. 19×3-0.43
7.6.5×(4.8- 1.2×4)
0.68× 1.9+0.32× 1.9
8. 10. 15- 10.75×0.4-5.7
9.5.8×(3.87-0. 13)
(-8.0 1)+4.2×3.74
10.32.52-(6+9.728÷3.2)×2.5
1 1.[(7. 1-5.6)×0.9- 1. 15] ÷2.5
12.5.4÷[2.6×(3.7-2.9)+0.62]
13. 12×6÷( 12-7.2)-6
14. 12×6÷7.2-6
15.33.02-( 148.4-90.85)÷2.5
(-5)-252×(-78)
(-6) ×(-2)+3÷(5+50)
7-7+3-6-(-90)
(-8)(-3)×(-8)×25
(7+ 13) ÷(-6 16)÷(-28)
(8+ 14- 100-27)÷4
(- 15) ÷(- 1)- 10 1÷ 10
16÷0.2 1×(-8) ×(4. 1+5.9)
(- 10) ×(-2) ×4÷{-9÷[6+(-5.67)]}
(- 18)(-4)2×[8.0 1×(-3. 14)
9-32{-890-[79+8. 1] ×9}
(-20)-23+(-9) ×9.42
(-24)3.4× 104÷(-5) ×200.96
[-|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) +√9
2/(-2)+0/7-(-8)*(-2)
( 1/4-5/6+ 1/3+2/3)/ 1/2
18-6/(-3)*(-2) ×2^7
(5+3/8*8/30/(-2)- √36
(-84)/2*(-3)/(-6)
1/2*(-4/ 15)/2/3
1+2+3+4+......+ 100000
1/ 1+ 1/2+ 1/3+...... 1/50
1+ 1/2+ 1/4+ 1/8+ 1/ 16+...... 1/5 12
3+9+27+8 1+243+......9999
1+ 1/2+ 1/6+ 1/ 12+ 1/20+ 1/30+ 1/42+ 1/56+ 1/72+ 1/90
8-2×32-(-2×3)2
– 12 × (-3)2-(- 1/2)2003×(-2)2002÷2/9
(0.5-3/2)÷3/ 1×[-2-(-3)3]-∣ 1/8-0.52∣
[-38-(- 1)7+(-3)8]×-53
a^3-2b^3+ab(2a-b)-√a-b^2
15*(-8)+2b^2+
(x^2+y^2)^2-4y(x^2+y^2)+4y^2
6-3a^8-(-5^2-6)
(x^2+2x)^2+3(x^2+2x)+x^2+2x+3
(a+ 1)(a+2)+(2a+ 1)(a-2)- 12
x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2
3(a+2)^2+28(a+2)-20
(a+b)^2-(b-c)^2+a^2-c^2
8x(x+ 1)(x^2+x- 1)-2
x^2(x- 1)^2-3(x^2-x)-56
14a(a-b)+(a-b)^2
1 1.-ab(a-b)^+a(b-a)^2
12.3(x+2)-2x=5-4x
13.5(x+2a)-a=2(b-2x)+4a
3. 14*3.42 (2)972*3. 14* 1/4
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+2 1*8/2-√ 12 1-59
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|-5^4)
( 1/3+2/3)/ 1/2-|-9+(-5)|
18-6/(-3)*(-2)-|-9|
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/ 15)/2/3
|-3x+2y-5x-7y|-|-9x+2y|
-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-√64-5^2
-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+√9
-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
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-(-3^2+5^7)
- 1+2-3+4-5+6-7+√9
-50-28+(-24)-(-22)
- 19.8-(-20.3)-(+20.2)- 10.8;
0.25- +(- 1 )-(+3 ).
- 1-23.33-(+76.76)
1-2*2*2*2-5^2+(6^2-5^2)
(-6-24.3)-(- 12+9. 1)+(0-2. 1)
- 1+8-7+5^7-(-5+√9)
125*3+ 125*5+25*3+25
9999*3+ 10 1* 1 1*( 10 1-92)
(23/4-3/4)*(3*6+2)
3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12x * 5/6 years–2/9 years *|3x-2y|
8×5/4+ 1/4*|-7-8|
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/ 14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 1 1/5
3 1 × 5/6 – 5/6
9/7 - ( 2/7 – 10/2 1 )
5/9 × 18 – 14 × 2/7
4/5 × 25/ 16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/ 15
17/32 – 3/4 × 9/24
3^45 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/ 14 ×2/3 + 1/6
1/5 × 2/3 + 5/6
5/3 × 1 1/5 + 4/3
9/22+ 1/ 1 1÷ 1/2-√ 169
45^8 × 2/3 + 1/3 × 15
7/ 19 + 12/ 19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 2 1/ 16 + 1/2
10 1^4×(- 1/5– 1/5×2 1)
50+√ 160÷40^5
120- 144÷ 18+35
347+45×2-4 160÷52
37^2(58+37)÷(64-9×5)
95÷(64-45)
178- 145÷5×6+42
8 12-700÷(9+3 1× 1 1)
85+ 14×( 14+208÷26)
120-36×4÷ 18+35
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8
(3.2× 1.5+2.5)÷ 1.6
6- 1.6÷4= 5.38+7.85-5.37=
7.2÷0.8- 1.2×5= 6- 1. 19×3-0.43=
6.5×(4.8- 1.2×4)=
5.8×(3.87-0. 13)+4.2×3.74
32.52-(6+9.728÷3.2)×2.5
[(7. 1-5.6)×0.9- 1. 15] ÷2.5
5.4÷[2.6×(3.7-2.9)+0.62]
12×6÷( 12-7.2)-6
12×6÷7.2-6
0.68× 1.9+0.32× 1.9
58+370)÷(64-45)
420+580-64×2 1÷28
136+6×(65-345÷23)
15- 10.75×0.4-5.7
18. 1+(3-0.299÷0.23)× 1
(6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8
(3.2× 1.5+2.5)÷ 1.6
3.2×6+( 1.5+2.5)÷ 1.6
0.68× 1.9+0.32× 1.9
10. 15- 10.75×0.4-5.7
5.8×(3.87-0. 13)+4.2×3.74
32.52-(6+9.728÷3.2)×2.5
[(7. 1-5.6)×0.9- 1. 15] ÷2.5
5.4÷[2.6×(3.7-2.9)+0.62]
12×6÷( 12-7.2)-6
12×6÷7.2-6
33.02-( 148.4-90.85)÷2.5
76.(25%-695%- 12%)*36
7/4*3/5+3/4*2/5
1- 1/4+8/9/7/9
7+ 1/6/3/24+2/2 1
8/ 15*3/5
3/4/9/ 10- 1/6
8/3+ 1/2)/5/6- 1/3]/ 1/7
9/5+3/5/2+3/4
8^6(2-2/3/ 1/2)]*2/5
8+5268.32-2569
3+456-52*8
87.5%+6325
8/2+ 1/3+ 1/4
89+456-78
5%+.3/7 × 49/9 - 4/3
9 × 15/36 + 1/27
2× 5/6 – 2/9 ×3
3× 5/4 + 1/4
94÷ 3/8 – 3/8 ÷6
95/7 × 5/9 + 3/7 × 5/9
6/2 -( 3/2 + 4/5 )
8 + ( 1/8 + 1/9 )
8 × 5/6 + 5/6
1/4 × 8/9 - 1/3
10× 5/49 + 3/ 14
1.5 ×( 1/2 + 2/3 )
2/9 × 4/5 + 8 × 1 1/5
3. 1 × 5/6 – 5/6
4/7 - ( 2/7 – 10/2 1 )
19 × 18 – 14 × 2/7
5 × 25/ 16 + 2/3 × 3/4
4 × 8/7 – 5/6 × 12/ 15
7/32 – 3/4 × 9/24
2/3÷ 1/2- 1/4×2/5
2-6/ 13÷9/26-2/3
2/9+ 1/2÷4/5+3/8
10÷5/9+ 1/6×4
1/2×2/5+9/ 10÷9/20
5/9×3/ 10+2/7÷2/5
1/2+ 1/4×4/5- 1/8
3/4×5/7×4/3- 1/2
23-8/9× 1/27÷ 1/27
18×5/6+2/5÷4
1 1/2+3/4×5/ 12×4/5
8/9×3/4-3/8÷3/4
5/8÷5/4+3/23÷9/ 1 1
1.2×2.5+0.8×2.5
8.9× 1.25-0.9× 1.25
12.5×7.4×0.8
9.9×6.4-(2.5+0.24)
6.5×9.5+6.5×0.5
0.35× 1.6+0.35×3.4
0.25×8.6×4
6.72-3.28- 1.72
0.45+6.37+4.55
5.4+6.9×3-(25-2.5)
2×4 1846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5- 12.5×2.4
28× 12.5- 12.5×20
23.65-(3.07+3.65)
(4+0.4×0.25)8×7× 1.25
1.65×99+ 1.65
27.85-(7.85+3.4)
48× 1.25+50× 1.25×0.2×8
7.8×9.9+0.78
( 10 10+309+4+68 1+6)× 12
3×9 146×782×6×854
5. 15×7/8+6. 1-0.60625
3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/ 14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 1 1/5
3 1 × 5/6 – 5/6
9/7 - ( 2/7 – 10/2 1 )
5/9 × 18 – 14 × 2/7
4/5 × 25/ 16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/ 15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/ 14 × 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/ 1 1 ÷ 1/2
5/3 × 1 1/5 + 4/3
45 × 2/3 + 1/3 × 15
7/ 19 + 12/ 19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 2 1/ 16 + 1/2
10 1 × 1/5 – 1/5 × 2 1
50+ 160÷40 (58+370)÷(64-45)
120- 144÷ 18+35
347+45×2-4 160÷52
(58+37)÷(64-9×5)
95÷(64-45)
178- 145÷5×6+42 420+580-64×2 1÷28
8 12-700÷(9+3 1× 1 1)
( 136+64)×(65-345÷23)
85+ 14×( 14+208÷26)
(284+ 16)×(5 12-8208÷ 18)
120-36×4÷ 18+35
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8
(3.2× 1.5+2.5)÷ 1.6
3.2×( 1.5+2.5)÷ 1.6
6- 1.6÷4= 5.38+7.85-5.37=
7.2÷0.8- 1.2×5= 6- 1. 19×3-0.43=
6.5×(4.8- 1.2×4)= 0.68× 1.9+0.32× 1.9
10. 15- 10.75×0.4-5.7
5.8×(3.87-0. 13)+4.2×3.74
32.52-(6+9.728÷3.2)×2.5
[(7. 1-5.6)×0.9- 1. 15] ÷2.5
5.4÷[2.6×(3.7-2.9)+0.62]
12×6÷( 12-7.2)-6 (4) 12×6÷7.2-6
102^2×4.5+8^5-√529
7.8×6.9+2.2×6.9
5.6×0.25
8×(20- 1.25)
127+352+73+44
89+276+ 135+33
25+7 1+75+29 +88
243+89+ 1 1 1+57
9405-2940÷28×2 1
920- 1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2 100-94+48×54
5 1+(2304-2042)×23
42 15+(436 1-7 16)÷8 1
(247+ 18)×27÷25
36-720÷(360÷ 18)
1080÷(63-54)×80
(528+9 12)×5-6 178
8528÷4 1×38-904
264+3 18-8280÷69
( 174+209)×26- 9000
8 14-(278+322)÷ 15
1406+735×9÷45
3 168-7828÷38+504
796-5040÷(630÷7)
285+(3000-372)÷36
1+5/6- 19/ 12
3x(-9)+7x(-9
(-54)x 1/6x(- 1/3)
18. 1+(3-0.299÷0.23)× 1
(6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8
(3.2× 1.5+2.5)÷ 1.6
3.2×( 1.5+2.5)÷ 1.6
5.6- 1.6÷4
5.38+7.85-5.37
7.2÷0.8- 1.2×5
6- 1. 19×3-0.43
6.5×(4.8- 1.2×4)
0.68× 1.9+0.32× 1.9
1 15- 10.75×0.4-5.7
5.8×(3.87-0. 13)+4.2×3.74
32.52-(6+9.728÷3.2)×2.5
[(7. 1-5.6)×0.9- 1. 15] ÷2.5
5.4÷[2.6×(3.7-2.9)+0.62]
12×6÷( 12-7.2)-6
12×6÷7.2-6
33.02-( 148.4-90.85)÷2.5
2. Solve the equation
2x=7(x-5)
8(3x+3)=240
4.74+4x-2.5x=8. 1
(2.8 1+x)÷2.8 1 = 1
15x-30= 16(x-2)
(-3)^3-3^3
(- 1)^2-5.6
2^2+3^3-4^4
(2^4-3^2)^3-5^5
[( 1.6^2-2^3)-2. 1]^2
(5.66×2)^2- 15^2
(- 15)^x=225,x=？
[(-4)^2-4^2]×2^2
[(-5.6)^2+3]^2
[5.6^2+(-5.6)^2]×(- 1)^2
3x+28-x=56
1.5x+6=3.75
2(3.6x+2.8)=- 1.6
9.5x+9.5= 19
18(x-35)=-36
x+7-(-36+8^2)/2=8+7^4/3
a-7-98+7a=3.2*5a
89/2+35/6x=3*9+2^3/5+7x
3X+ 189/3=52 1/2
4y+ 1 19*^3=22/ 1 1
3X* 189=5*4^5/3
8Z/6=458/5
3X+77=59
4Y-6985=8 1
87X* 13=5
7Z/93=4 1
15X+863-65X=54
58Y*55=27489
7(2x- 1)-3(4x- 1)= 4(3x+2)- 1
(5y+ 1)+( 1-y)=(9y+ 1)+( 1-3y)
[-6(-7^4*8)-4]=x+2
20%+( 1-20%)(320-x)= 320×40%
2(x-2)+2=x+ 1
2(x-2)-3(4x- 1)= 9( 1-x)
1 1x+64-2x = 100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3( 1/4x- 1)-2]-x = 2
2x+7^2= 157
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