Cuatro preguntas sobre operaciones aritméticas

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

11,7 × 5/49 3/14

12,6 × ( 1/2 2/3 )

13,8 × 4/5 8 × 11/5

14,31 × 5/6 – 5/6

15,9 /7 - (2/7 – 10/21)

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

21,5/7 × 3/25 3/7

22,3/14 ×× 2/3 1/6

23,1/ 5 × 2/3 5/6

24,9/22 1/11 ÷ 1/2

25,5/3 × 11/5 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 × 21/16 1/2

30.101 × 1/5 – 1/5 × 21

Aquí hay algunos otros a ver si puedo ayudar.

----------------------------Línea de separación-------------- --- ---------------

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 × 11/ 5 31 × 5/6 – 5/6

9/7 – ( 2/7 – 10/21 ) 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 1/11 ÷ 1/2

5/3 × 11/5 4 /3 45 × 2/3 1/3 × 15

7/19 12/19 × 5/6 1/4 3/4 ÷ 2/3

8/7 × 21/16 1/2 101 × 1/5 – 1/5 × 21

50＋160÷40 120-144÷18 35

Problemas de cálculo de ecuaciones para alumnos de sexto grado de primaria

X-5.7=2.15 15 5X-2X=18

3X 0.7=5 3200=450 5X

52－x＝15 1÷x＝ 1.3

X 8.3=10.7 15x＝3

3x－8＝16 7(x-2)= 2x 3

3x 9=27 12x=300 -4x

7x 5.3=7.4, 3x÷5=4.8,

1.4×8-2x=6 , 410-3x=170,

3( x 0.5)=21, 1.8x=0.972

x÷0.756=90, 1.5x 18=3x

0.5x 8=43, 6x-3x=18, 5×3 -x÷2=8,

0.273÷x=0.35, 9x-40=5, x÷5 9=21 ,

48-27 5x=31, 10.5 x 21 =56, 0,1(x 6)=3,3×0,4

x 2x 18=78, (200-x)÷5 =30, (x-140)÷70=4,

4(x-5.6)=1.6, 7(6.5 x)=87.5 (27.5-3.5)÷x=4,

x 19.8=25.8, 75.6÷x=12.6, 5(x 8 )=102

Otros: 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 1/11 ÷ 1/2

5/3 × 11/5 4/3

45 × 2/3 1/3 × 15

7/ 19 12/19 × 5/6

1/4 3/4 ÷ 2/3

8/7 × 21/16 1/2

101 × 1/5 – 1/5 × 21

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 × 11/5

31 × 5/6 – 5/6

9/7 - ( 2/7 – 21/10 )

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 1/11 ÷ 1/2

5/3 × 11/5 4/3

45 × 2/3 1 /3 × 15

7/19 12/19 × 5/6

1/4 3/4 ÷ 2/3

8/7 × 21 /16 1/2

101 × 1/5 – 1/5 × 2