Addition of Similar Digit
5+55+555 = ?
The result of the addition is 5+55+555 = 615.
Shortcut Tricks
Step 1 : Take 5 Common and Replace all 5 with 1.5(1+11+111).
Step 2 : Count number of digits in each number, i.e, 1=1(digit), 11=2(digit), 111=3(digit) and write down all digits together that is 123.
Step 3 : Multiply 5×123 = 615.
The final result is 615.
Addition of Similar Digit
3+33+333+3333 = ?
The result of the addition is 3+33+333+3333 = 3702.
Shortcut Tricks
Step 1 : Take 3 Common and Replace all 3 with 1.3(1+11+111).
Step 2 : Count number of digits in each number, i.e, 1=1(digit), 11=2(digit), 111=3(digit),
1111=4(digit), and write down all digits together that is 1234.
Step 3 : Multiply 3×1234 = 3702.
The final result is 3702.
Addition of Similar Digit
7+77+777+7777+77777 = ?
The result of the addition is 7+77+777+7777+77777 =86415.
Shortcut Tricks
Step 1 : Take 7 Common and Replace all 7 with 1. 7(1+11+111+1111+11111).
Step 2 : Count number of digits in each number, i.e, 1=1(digit), 11=2(digit),111=3(digit),1111=4(digit),11111=5(digit),and write down all digits together that is 12345.
Step 3 : Multiply 7×12345 =86415.
The final result is 86415.
Addition of Similar Digit
9+99+999+9999+99999+999999 = ?
The result of the addition is 9+99+999+9999+99999+999999 = 1111104.
Shortcut Tricks
Step 1 : Take 9 Common and Replace all 9 with 1. 9(1+11+111+1111+11111+111111).
Step 2 : Count number of digits in each number, i.e, 1=1(digit), 11=2(digit), 111=3(digit),1111=4(digit),11111=5(digit),111111=6(digit) and write down all digits together that is 123456.
Step 3 : Multiply 9×123456 = 1111104.
The final result is 1111104.
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