Question

130
Mathematics for Class 6
EXERCISE SA
1. Write the following using literals, numbers and signs of basic operations:
(i) x increased by 12
(ii) y decreased by 7
(iii) The difference of a and b, when a >b
(iv) The product of x and y added to their sum
(v) One-third of x multiplied by the sum of a and b
(vi) 5 times x added to 7 times y
(vii) Sum of x and the quotient of y by 5
(viii) x taken away from 4
(ix) 2 less than the quotient of x by y
(x) x multiplied by itself
(xi) Twice x increased by y
(xii) Thrice x added to y squared (xiii) x minus twice y
(xiv) x cubed less than y cubed (XV) The quotient of x by 8 is multiplied by y​

Answer 1

Answer:

$1. \: i. \: x + 12 \\ ii. \: y - 7 \\ \: iii. \: a - b \: = \: > 0 \\ iv. \: xy + x + y \\ v. \: \frac{1}{3} (x)(a + b)$

vi. 5x + 7y

vii. x + y/5

viii. 4–x

ix. x/y – 2

x. x²

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