Current location - Training Enrollment Network - Mathematics courses - There must be answers to 20 exercises of plus and minus addition and subtraction.
There must be answers to 20 exercises of plus and minus addition and subtraction.
4-9-2 1+34

35-4-34+(-8)

14+(- 12)+(-7)-(-2 1)

-45+46-(-23)+(- 12)

29-3 1-2+(-3)

- 1 1+42-33+(-43)

-42+ 14+(-48)-(- 14)

45+27+(-36)-37

47+(-3)-29+30

2-28- 17+(-39)

13+8+(-36)-3

25+2-(-40)+(-9)

-24+(-32)-27+23

-29+6-(-37)+(-49)

1 1-(-36)- 1 1+(-28)

- 12+44-40+ 18

- 15- 1 1-(-7)+40

-4 1-(-44)-46+ 16

17-(-33)+(-29)+(- 15)

25+(- 19)- 10+(- 14)

7+(-47)+(-7)- 13

45-(-40)- 15+(-30)

-34+49- 15+8

-9-(-4)-(-3)+(-26)

-35-(- 17)-(-39)+ 17

- 19+(-37)+27-(-3 1)

- 14- 16+32+(-49)

12+33+ 17-(-4 1)

47+37+(-4)-0

-45- 10+(-5)+23

Answer:

eight

- 1 1

16

12

-7

-45

-62

- 1

45

-82

- 18

58

-60

-35

eight

10

2 1

-27

six

- 18

-60

40

eight

-28

38

2

-47

103

80

-37

Related articles
  • Postgraduate chemistry mathematics
  • People's Education Press High School Mathematics Required Test Paper Answer
  • Seven types of examination time for single recruitment
  • How to enlighten 5-year-old children in mathematics
  • The law of digital reading in primary school mathematics textbooks
  • Super complex mathematical formula
  • How to find the perimeter of mathematics?
  • In the sixth grade of primary school, there are 40 grams of salt water with a concentration of 20% and how much salt water with a concentration of 60% can be made into a concentration of 30%.
  • What's the difference between adult college entrance examination and undergraduate examination?
  • Five-year math application problem in primary school, this painting is twice as long as it is wide. I used 1.8 meters of wood to make the picture frame. What are the length, width and area of this pai

    • copyright 2024 Training Enrollment Network All rights reserved