Question

Varog frumos!cat se poate de rapid!!! ​

Answer 1

3) a) 3×5+7×13=15+91=106

b) 5×13-50=65-50=15

c) 10×5+(4×13)=50+52=102

d) (4×13-2×5)×(2×13)=(52-10)×26=42×26=1092

4)a) 2×50=100

b) 9×11+15=99+15=114

c) 7×100=700

d) 5×(4×100)=5×400=2000