Page 40 - WCS - Electrical
P. 40
WORKSHOP CALCULATION & SCIENCE - CITS
Assignment
Add
1 14f - 2f + 5f - 7f + 9f
2 3xy + 5xy - 2xy + 8xy - 4xy
3 17xy - 4xy + 13 - xy - 6
4 14d + 3d + 25e + 2e
5 8t + 12u - t - 14u
6 x - z + y + z
7 15a + 13a - 37a
8 17a - 4b - 7a + 3b
9 9c - 15e + 4c + 3e
10 30x + 45y - 17x - 16y
11 8a + 3c - 6b - 5c + 4a + 8b
12 230m + 472P - 320n - 75m + 180n - 141p
13 45b + 25c + 18b + 40c
14 14d + 3d + 25e + 2e + e + d
15 15a - (4a + 3a - 5a)
16 5x + 3y - (2x - 5y)
17 ( x + 2y + 3z) + (4x - y + z)
18 (2x + 5y) + (4x - 8z) + (15z - 6y) + (z - 2x)
Subtract
1 38xy - 25xy
2 Subtract 2a - 3b - c from 3a - 2b + 4c
3 2a - 3(a - (a - b))
Add and Subtract
1 230a + 420b + 370c + 225a - 510c - 110b
2 15d - (4d + 3d - 5d)
3 8x + 3z - 6y - 5z + 4x + 8y
Multiplication
1 5yzx x (-5ab)
2 3ax -9b
3 2ab x -7pq
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CITS : WCS - Electrical - Exercise 4
