48-3+45-34-12+75+12-34=??
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48-3+45-34-12+75+12-34
=48+45+75+12-3-34-12-34
=48+45+75+12-(3+34+12+34)
=180-83
= 97
Answered by
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Step-by-step explanation:
48 -3 +45 -34 - 12 +75. +12 - 34. ( -12+12=0)
= ( 48 +45 +75 ) - ( 3+34 +34)
= 168 -81 =87
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