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Mathematics, 10.06.2020 05:57 zamorano2339

Calcule as operações abaixo, utilizando a técnica de cálculo mental, conforme o exemplo Exemplo:26+99=26-1+99+1=25+100=125< br />
A) 347+99=
B) 207+199=
C) 4076+299=
D) 199+8002=

Me ajudeeem por favoorrr

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