gwynolegario gwynolegario
  • 24-09-2018
  • Mathematics
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Use addition properties and strategies to find the sum..1.)34+62+51+46=? 2.)27+68+43=? 3.)42+36+18=? 4.)74+35+16+45=?

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Dancer5363
Dancer5363 Dancer5363
  • 24-09-2018
1.
[tex]34 + 62 = 96 + 51 = 147[/tex]
[tex]147 + 46 = 193[/tex]

2.
[tex]27 + 68 = 95 + 43 = 138[/tex]
3.
[tex]42 + 36 = 78 + 18 = 96[/tex]
4.
[tex]74 + 35 = 109 + 16 = 125 + 45 = [/tex]
[tex] = 70[/tex]
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