Question

10. Efectuați: a) 4+6.(9-2.3)
b) 16+2.(22-21:7)
c) 18:3+5.[11+5.(23-48:12)]
d) 10-9+8 {[7-(6+5-4)]+3–(2+1)}
va rog e urgent ​

Answer 1

Răspuns:

4+6.(9-6)=4+6.3=4+18=22

16+2.(22-3)=16+2.19=16+38=54

6+5.[(7-7)+3-3]=6+5.(0+3-3)=6+5.0=6+0=6

10-9+8[(7-7)+3-3]=10-9+8(0+3-3)=10-9+8.0=10-9+0=1