Question

Calcule o valor das expressões numéricas:

10+8•4-15
200-3•60+8
300-5•20+30

Answer 1

10+8•4-15:27

200-3•60+8:28

300-5•20+30:230

10+8×4-15

10+32-15

10+17

27

200-3×60+8

200-180+8

28

300-5×20+30

300-100+30

200+30

230