Răspuns :

Răspuns:

t=236

Explicație pas cu pas:

5561÷83=67

405- 2×t=67

2×t=67+405

2×t=472

t=472÷2

t=236

Neciudavidid

Răspuns:

a)2017×3=6051

45+x=6051

x=6051-45

x=6006

b)5561:83=67

405-2×t=67

2t=405-67

2t=338

t=338:2

t=169

c)305:5=61

61+4=65

4225:(3×s+2)=65

4225:(3s+2)=65

3s+2=4225×65

3s+2=274 625

3s=274 625 -2

3s=274 623

s=274 623÷3

s=91 541

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