Question

Efectuati
a)21×14:49:2;
b)500×123×2:1000;
c)24-23:4-357128;
d)38×45:18×23;
e)47×25×9×4:100;
f)1173:23:3×21:7;
g)12320:16:11×39;
h)48×75:9:40×17;
i)6048:12:9×14:28.​
cine mă va ajuta primul/prima va primi coroana

Answer 1

Răspuns:

atentie ! sunt facute pe calculator

a)    3

b)   123

c)  -357109.75

d)  2185

e)  423

f)  51

g)  2730

h)   170

i)    28

Explicație pas cu pas:

Answer 2

Răspuns:

a) 1.21×14=294

2.294:49=6

3. 6:2=3

B) 1.500×123=61500

2. 61500×2=123000

3. 123000:1000=123

C) 1. 23:4=5,75

2. 24-5,75=18,25

3. 18,25-357128=-357109,75

D) 1. 38×45=1710

2. 18×23=414

3. 1710:414=4,2

E) 1. 47×25=1175

2. 1175×9=10575

3. 10575×4=42300

4. 42300:100=423