sandi07 sandi07

27-09-2018
Mathematics

contestada

used addition properties and
strategies to find the sum 74+35+16+45=

Respuesta :

mathstudent55 mathstudent55

27-09-2018

74 + 35 + 16 + 45 =

= 74 + 16 + 35 + 45

= 70 + 4 + 10 + 6 + 30 + 5 + 40 + 5

= 70 + 10 + 4 + 6 + 30 + 40 + 5 + 5

= 80 + 10 + 70 + 10

= 80 + 10 + 10 + 70

= 100 + 70

= 170

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