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Grade six in primary school scored 500 in mathematics.
4/9×3= 5÷ 1/3 = 1/2÷ 1/3 =

2 1/25÷42= 4/5×3/4 = 8.7×0.2=

4×0.25= 1/7× 14= 2/3÷5/6=

1.25×8= 3/5÷5/8= 6/7×3/2=

6×8.8= 4/ 1 1÷4= 4/9×3/8=

5/3÷5= 0÷8/3= 4/7-2/3=

2/7×2= 4 1/ 12×4= 4÷3/ 16=

12÷9/4= 75/8 ÷5= 12× 16/9=

2/3×3= 8÷9/4 = 5/3÷3/5 =

4/5×5/8= 7/9×9/7= 2.64+3.6=

2.4×50= 3500÷70= 2050-298=

2+7÷9= 0.3÷3%= 286+ 198=

3 14-202= 526+30 1= 223-99=

1/2×3/5= 1.89÷ 100= 0.82+0.08=

73× 1= 0.63× 10= 4÷ 10=

17÷ 1000= 0.56+0.4= 1.25× 100=

5.6+99= 43×63/2 1= 100÷25=

1-0.93= 90-0.9= 18.3× 1/3=

794- 198= 68×25= 43.3-63/2 1 =

72× 125= 300 1- 1998= 23/5×5/6 =

20/3× 12= 1/2- 1/6= 30.25×4/5=

5/6- 1/2= 1/2× 1/5=

4.25×4/25×4

57.26-(5.26- 1.5)

106.25+3.85-2. 125+3.875

1 1.9-2456×2 1

5/ 1 1-4×2.75

13.375+5.75+2.25+6.625

( 15. 1-9036)÷ 18

163.8×5.25+ 14.5

172. 1×4.3+5.7×2. 1

19. 102×45-328

2.8×3. 1+ 16/8

23÷(50- 12.5) ÷2.5

24×2/5× 1/3

25.6÷ 1 10×47+639

3.5×2.7-52.2/ 18

28- 1/7× 1/5

3.375×0.97+0.97×6.625

6.54+2.4+3.46+0.6

95.6× 1.8+95.6×8.2

35.6-420/ 12×4

344/3.6-5.4×0.25

16/2+30/2+90/6

5000- 105×34

0. 15/0.25+0.75× 1.2

4 1×( 1/2+ 1/3+ 1/4)×0.24

42×(25+4)×4

3×63/2 1-84

0.8 1/0.25+5.96×5

403÷ 13×27

46. 1.5×4.2-0.75÷0.25

3.27×4 +3.27×5.7

( 1.2+ 1.8)×4.5 1025-768÷32

0.25×80-0.45÷0.9

50. 1025-768÷32

8 1.2- 1 1÷7-×3=

6696÷62-6.5× 10.6 =

2/7×3/9 ÷2/7 =

6756- 193-207=

97×360+3×360=

4/9×3= 5÷ 1/3 = 1/2÷ 1/3 = 2/7×3/9 ÷2/7 = 2 1/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7× 14= 2/3÷5/6= / kloc-0/.25×8= 3/5÷5/ 8= 6/7×3/2= 6×8.8= 4/ 1 1÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 4 1/ 12×4= 4÷3/ 16= / kloc-0/2÷9/4 = 75/ 8 ÷5= 12× 16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/ 7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 8 1.2- 1 1÷7-×3= 6696÷62-6.5× 10.6 =

1 125-997 998+ 1246+9989 (8700+870+87)÷87

125×8.8 1.3+4.25+3.7+3.75 17. 15-(3.5-2.85)

3.4×99+3.4 4.8× 1.0 1 0.4×(2.5÷73)

( 1.6+ 1.6+ 1.6+ 1.6)×25 ( + - )÷

12.3-2.45-5.7-4.55 2 + 0. 125×0.25×64

64.2×87+0.642× 1300 78×36+7.8×74 1-7 17+ 8

0. 125× +0.5 2.42 +4.58 -43

25÷ 100 4.25-3 -(2 - 1 )

( 1) 1.25* 17.6+36. 1/0.8+2.36* 12.5

1.25* 17.6+36. 1/0.8+2.36* 12.5

=(5/4)* 17.6+36. 1*(5/4)+23.6*(50/4)

= 176/8+36 1/8+236/8

=773/8=96.625

(2)7.5*2.3+ 1.9*2.5

7.5*2.3+ 1.9*2.5

=7.5*( 1.9+0.4)+ 1.9*2.5

=(7.5+2.5)* 1.9+7.5*0.4

= 19+3 =22

(3)2004/2003*2005

2004/2003*2005

=(2004/2003)*(2003+2)

=2004+4008/2003

(4)276*543-267/276+543*275

276*543-267/276+543*275

=543*(276+275)-267/276

=543*55 1-267/276

1. 125*3+ 125*5+25*3+25

2.9999*3+ 10 1* 1 1*( 10 1-92)

3.(23/4-3/4)*(3*6+2)

4.3/7 × 49/9 - 4/3

5.8/9 × 15/36 + 1/27

6. 12× 5/6 – 2/9 ×3

7.8× 5/4 + 1/4

8.6÷ 3/8 – 3/8 ÷6

9.4/7 × 5/9 + 3/7 × 5/9

10.5/2 -( 3/2 + 4/5 )

1 1.7/8 + ( 1/8 + 1/9 )

12.9 × 5/6 + 5/6

13.3/4 × 8/9 - 1/3

14.7 × 5/49 + 3/ 14

15.6 ×( 1/2 + 2/3 )

16.8 × 4/5 + 8 × 1 1/5

17.3 1 × 5/6 – 5/6

18.9/7 - ( 2/7 – 10/2 1 )

19.5/9 × 18 – 14 × 2/7

20.4/5 × 25/ 16 + 2/3 × 3/4

2 1. 14 × 8/7 – 5/6 × 12/ 15

22. 17/32 – 3/4 × 9/24

23.3 × 2/9 + 1/3

24.5/7 × 3/25 + 3/7

25.3/ 14 ×× 2/3 + 1/6

26. 1/5 × 2/3 + 5/6

27.9/22 + 1/ 1 1 ÷ 1/2

28.5/3 × 1 1/5 + 4/3

29.45 × 2/3 + 1/3 × 15

30.7/ 19 + 12/ 19 × 5/6

3 1. 1/4 + 3/4 ÷ 2/3

32.8/7 × 2 1/ 16 + 1/2

33. 10 1 × 1/5 – 1/5 × 2 1

34.50+ 160÷40

35. 120- 144÷ 18+35

36.347+45×2-4 160÷52

37(58+37)÷(64-9×5)

38.95÷(64-45)

39. 178- 145÷5×6+42

40.8 12-700÷(9+3 1× 1 1)

4 1.85+ 14×( 14+208÷26)

43. 120-36×4÷ 18+35

44.(58+37)÷(64-9×5)

45.(6.8-6.8×0.55)÷8.5

46.0. 12× 4.8÷0. 12×4.8

47.(3.2× 1.5+2.5)÷ 1.6

48.6- 1.6÷4= 5.38+7.85-5.37=

49.7.2÷0.8- 1.2×5= 6- 1. 19×3-0.43=

50.6.5×(4.8- 1.2×4)=