Question

6)Calculează: a) 162 2-9+ 57-9= 162 - 2.9-57:2= 162 + 2.9-57:3= b) 249 3 + 249.3= 605 5 -605 2= 936 4+639 4= )9 453-24 -9-8= 3 544 +94-9 4= 1539-3+4539=​

Answer 1

Răspuns:

a) 162x2-9+ 57-9=363

162 - 2.9-57:2= 130,6

162 + 2.9-57:3= 145,9

b) 249x3 + 249.3=996,3

605x5 -605x2=1815

936x4+639x4=5220

c) 453-24 -9-8= 412

3x544 +94-9x4= 1690

1539-3+4539=5895