Question

50 DE PUNCTE =)




Multumesc=)
Sa fie corect

Answer 1

a)

50+10-50=60-50=10

b)

25+5+25=30+25=55

c)

7+250-187=257-187=70

d)

9+81:9-9+220-20×0=

9+9-9+220-0=

9+220=229

e)

(120-90):5+124×9-(70-81:9)=

30:5+124×9-(70-81:9)=

30:5+124×9-(70-9)=

30:5+124×9-61=

6+1116-61=

1122-61=1061

f)

480-90+1557=390+1557=1947

g)

25×(160-150)-8+(24+6:6)=

25×10-8+24+6:6=

250-8+24+1=

242+25=267

h)

(1116+2548)×0+503×3=

3664×0+503×3=

0+1509=1509

i)

9+324-(8+120)=9+324-128=

332-128=205

Answer 2

a)50+50:5-50=50+10-50=60-50=10
b)25+25:5+25=25+5+25=30+25=55
c)49:7+25×10-17×11=7+250-187=257-187=70
d)9+(9×9:9-9)+220-20×0=9+(81:9-9)+320-0=9+(9-9)+320-0=9+0+320+0=329
e)12×10×4-15×6+174×9=120×4-90+1566=480-90+1566=390+1566=1956
f)25×(160-30×5)-8+(24+6:6)=25×(160-150)-8+(24+1)=25×10-8+25=250-8+25=242+25=267
g)(120-9×10):5+124×9-(70-81:9)=(120-90):5+1116-(70-9)=30:5+1116-61=6+1116-61=1122-61=1061
h) (72:8+324)-(64:8+60×2)=(9+324)-(8+120)=333-128=205
i)(124×9+364×7)×0+503×3=(1116+2548)×0+1509=3664×0+1509=0+1509=1509

*Sper ca te am ajutat*