Question

ajutorrrrrrrrrrrr pls pls​

Answer 1

a.100:2-15x3+2x[3x4-(15-2x3)]
100:2-15x3+2x[3x4-(15-6)]
100:2-15x3+2x(3x4-9)
100:2-15x3+2x(12-9)
100:2-15x3+2x3
50-45+6
5+6
11
b.215x2+[6x100-32x3-(400-325)]
215x2+(6x100-32x3-75)
215x2+(600-96-75)
215x2 +429
430+429
859
c.256 +[460-(325-25x5)+418x2]
256+[460-(325-125)+418x2]
256+(460-100+830)
256+(360+830)
256+1190
1446