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प्रश्न
Add 7xyz, − 5xyz, 9xyz, −8xyz
उत्तर
Required sum = 7xyz + (− 5xyz) + 9xyz + (−8xyz)
= (7-5+9-8)xyz = 3xyz
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संबंधित प्रश्न
Write equation for the following statement:
If you add 3 to one-third of z, you get 30.
Add the following:
\[4xy - 5yz - 7zx\]
\[ - 5xy + 2yz + zx\]
- 2xy - 3yz + 3zx
_______________
Write the following statement as an equation:
Twice a number subtracted from 19 is 11.
If \[\frac{1}{3} x + 5 = 8\], then x = ?
Write 'T' for true and 'F' for false for the statement given below:
−3xy2z is a monomial.
Write 'T' for true and 'F' for false for the statement given below:
8 − x = 5 ⇒ x = 3.
For any two integers x and y, which of the following suggests that operation of addition is commutative ?
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
5 × 4 − 8 = 2x
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
2n + 1 = 11
Solve the following riddles, you may yourself construct such riddles.
| Who am I? |
| For each day of the week Make an upcount from me If you make no mistake You will get twenty three! |
