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ICSE Class 6 Answered

Simplify using appropriate properties 2+3+4+5+6+7+8+9+10+11
Asked by vinita_nambiar | 19 Jun, 2019, 17:51: PM
answered-by-expert Expert Answer

Simplify using appropriate properties

2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11

=(2 + 3) + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11

= (5 + 4) + 5 + 6 + 7 + 8 + 9 + 10 + 11

= (9 + 5) + 6 + 7 + 8 + 9 + 10 + 11

(14 + 6) + 7 + 8 + 9 + 10 + 11

(20 + 7) + 8 + 9 + 10 + 11

= (27 + 8) + 9 + 10 + 11

= (35 + 9) + 10 + 11

= (44 + 10) + 11

= (54 + 11)

= 65

Answered by Yasmeen Khan | 20 Jun, 2019, 09:41: AM
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