Question

7. Calculează:
a) (225:9+1024:16-23):9=
c) [(112 +22):5-42]:3 =
e) (432:24-42).9-42 =
g) (5016:6-36+1):3-62 =
b) (512:26 +23):24 =
d) (196:14+19600): 7+22=
[(516:3-132) 24-621:22 =​

Answer 1

Răspuns:

a) = (25+64-23):9=66:9=7,(3)

c) =(143:5-42):3=(26,8-42):3=-15,2:3=-5,0(6)

e). =(18-42)x9-42=-24x9-42=-216-42=-258

g). = (836-36+1):3-62=801:3-62=205

b). = (19,6923+23):24=1.7788

d). =(14+19600):7+22=2802+22=2824

(172-132)24-28,2272=40x24-28,2272=931,7728

Explicație pas cu pas: