Mathematics, 02.06.2021 17:10 zuleromanos

3+2(15-11) The first thing I did was

Change the (-) to a (+)

2) 215 = 30
3) change the 11 to -11
4) 211 = -22
5) 3+30+(-22) = ?

Answers: 1

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3+2(15-11) The first thing I did was

Change the (-) to a (+)

2) 2*15 = 30...