Question

Va rog e urgent ex 6 si problema 8

Answer 1

6.
a)5×(13-3)=5×10=50
b)19×(1+9)=19×10=190
c)23×(11-1)=23×10=230
d)7×(8+2+10)=7×20=140
e)41×(132-32)=41×100=4100
f)37×(28+42-15)=37×55=2035
g)27×(8+2+10)=27×20=540
h)8×(49+31-50)=8×30=240
i)15×(99+13-112)=15×0=0
j)25×(13+8-11)=25×10=250

8.
15×900=13500 jucării