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a 0.
53 + 123 – 63 = 53q123w63u 113.
963 × (23 – 56) = 23w56e963u – 31’779.
(56 × 3 – 89)
÷
5.2 + 63 = 56e3w89r5.2
q63u 78.1923076923
1234567890 × 741852 = 1234567890e741852u E 915.866658332
C 915.866658332
a 0.
3
× 5= 3ye5u 8.6602540378
12 + 23 = 23qq12u K + 35.
45 + 23 = 45u K + 68.
7 – 5.6 = 5.6ww7u K – 1.4
2 – 5.6 = 2u K –– 3.6
2.3 × 12 = 12ee2.3u K × 27.6
4.5 × 12 = 4.5u K × 54.
45
÷
9.6 = 9.6rr45u K
÷
4.6875
78
÷
9.6 = 78u K
÷
8.125
12% of 1500 1500e12t 180.
Percentage of 660 against 880 660r880t 75.
15% add-on of 2500 2500e15tq 2’875.
25% discount of 3500 3500e25tw 2’625.
480q25t 640.
w 160.
100w80t 25.
80 × 9 = 720 {80e9| M 720.
–)50× 6 = 300 50e6} M 300.
20 × 3= 60 20e 3| M 60.
480 \ M 480.
What will the selling price and profit
be when the purchasing price of an
item is $480 and the profit
rate to the selling price is 25%?
If you made $80 last week and $100
this week, what is the percent
increase?
To perform calculations