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Anonymous users2024-02-063x+2y-5x-7y
Mixed addition, subtraction, and operation of rational numbers.
About rational number calculation questions and answers.
Who has a rational number calculation problem in the first year of junior high school (I want 1000 questions).
Write a primary school mathematics teaching software, mainly to test the lower grades of primary school.
Check out the same topic question: Mixed operations on rational numbers.
Others: 1 in total.
1 Calculation Questions.
2.Calculation problem: (10 5 = 50).
3x+2y-5x-7y
1) Calculation Questions:
16)4a)*(3b)*(5c)*1/6
a^3-2b^3+ab(2a-b)
a^3+2a^2b-2b^3-ab^2
a^2(a+2b)-b^2(2b+a)
a+2b)(a^2-b^2)
a+2b)(a+b)(a-b)
x^2+y^2)^2-4y(x^2+y^2)+4y^2(x^2+y^2-2y)^2
x^2+2x)^2+3(x^2+2x)+x^2+2x+3(x^2+2x)^2+4(x^2+2x)+3(x^2+2x+3)(x^2+2x+1)
x^2+2x+3)(x+1)^2
a+1)(a+2)+(2a+1)(a-2)-12a^2+3a+2+2a^2-3a-2-123a^2-12
3(a+2)(a-2)
x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2
x(y+z)-y(x-z)]^2
xz+yz)^2
z^2(x+y)^2
3(a+2)^2+28(a+2)-20
3(a+2)-2][(a+2)+10]
3a+4)(a+12)
a+b)^2-(b-c)^2+a^2-c^2(a+b)^2-c^2+a^2-(b-c)^2(a+b+c)(a+b-c)+(a+b-c)(a-b+c)(a+b-c)(a+b+c+a-b+c)
2(a+b-c)(a+c)
x(x+1)(x^2+x-1)-2
x^2+x)(x^2+x-1)-2
x^2+x)^2-(x^2+x)-2
x^2+x-2)(x^2+x+1)
x+2)(x-1)(x^2+x+1)
I did my best!
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Anonymous users2024-02-05Original = (-2 3) + (1 4) - (1 6) - (1 2) = (-8 12) + (3 12) - (2 12) - (6 12) = (-8 + 3-2-6) 12
Original formula = -8 - (7 2) + 2 - (1 2) + 12 = 6-4
2 primitive = -1 primitive = (-2 3) +
1 original = (-3 and 2 3) + and 2 3) + = -2+
8.Original = [31 2-(5 4 7 5+7 2)] 9 8) = [31 2-(5 4 5 7+7 2)] 8 9) = [31 2-(25 28+7 2)] 8 9) = (31 2-25 28-7 2) (8 9) = (24 2-25 28) (8 9).
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