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, 05:51: PM
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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