Question

find the sum of each by suitable property41+42+43+44+45+55+56+56+57+58+59
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Answer 1

Answer:

See this.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Firstly i take first and second number add between (41 to 45)

41+45=86

we divide by 2 add number 41 +45 and multiply how many numbers between 41 to 45 I.e 5.

86/2×5=215

(the sum of number between 41 to 45) is 215. ..................(1)

Again fallow this rule

Firstly i take first and second number add between (55 to 59)

55+59=114

we divide by 2 add number 55+59 and multiply how many numbers between 55to 59 I.e 5.

114/2×5=285

(the sum of number between 55to 59) is 285. ................(2)

we add (1) and (2) equ

215+285=500

so, Answer =500