Question

Numeroteza operatiile in ordinea efectuarii ,apoi calculeazab)6×5+2×4 7×7-3×5 81:9+1×8 6×6-4:4

Answer 1

Explicație pas cu pas:

a)6×5+2×4=

1.6×5=30

2.2×4=8

3.30+8=38

b)7×7-3×5=

1.7×7=49

2.3×5=15

3.49-15=34

c)81:9+1×8=

1.81:9=9

2.1×8=8

3.9+8=17

d)6×6-4:4=

1.6×6=36

2.4:4=1

3.36-1=35