Alessiaconstantinescask
a fost răspuns

1) 3×15×4-11×5=
2) 200:2:2:5=
3) 23×15×3-21×3×7=
va dau 33 de puncte ​

Răspuns :

Biancapurcel498ask

Răspuns:

Bună!

1. 3×15×4-11×5=125

1) 3×15=45

2) 45×4=180

3) 11×5=55

4) 180-55=125

2. 200:2:2:5=10

1) 200:2=100

2) 100:2=50

3) 50:5=10

3. 23×15×3-21×3×7=594

1) 23×15=345

2) 345×3=1035

3) 21×3=63

4) 63×7=441

5) 1035-441=594

Milumivask

Răspuns:

1) 3×15×4-11×5=45×4-55=180-55=125

2) 200:2:2:5=100:2:5=10

3) 23×15×3-21×3×7= 1035-441=594

Explicație pas cu pas: