takoakh takoakh

30-09-2019
Mathematics

contestada

1/1×3+1/2×4+1/3×5 +...+1/18×20=

Please, help me. ❣️

Respuesta :

eliasrokon2018 eliasrokon2018

30-09-2019

Answer:3.1944

Step-by-step explanation:

(1÷1×3)+1÷(2×4)+1÷(3×5)+1÷(18×20)

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