Study Material for PSC exams Government Jobs: Easier method for subtracting two numbers,

78956798 -

12345667


_______________

(78-12)(95-34)(67-56)(98-67)

66 61 11 31



Answer is

66611131



765748345 -
657389999
____________

(76-65)(57-73) (48-89) (34-99) (5-9)

(11) (-16) (-41) (-65) (-4)

(11) (100-16) (100-41) (100-65) (10-4)

11 84 59 35 6

again
10 83 58 34 6


Answer
108358346


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