Question

1)calculati
a)62,37 - 21,15 ₊43,77≈
b)1,7 ₊ 29,85 - 13,123≈
c)76,275 - 39,63 ₊ 5,7≈
d)176,2 -89,563 ₊ 72,49 -102,3456≈
e)82,34 - 9,257 - 10,743 ₊ 8,66 ≈
f)7777,8888 ₊ 555,666 - 33,44 ₊ 1,2 ≈
g) 12,21 ₊234,432 ₊ 3456,6543 -1010,010101 ≈


2)comparati numerele a si b , unde
a)a≈43,15 ₊ 26,85 si b≈ 17,8 ₊ 52,1
b)a≈7,52 ₊ 23,49 si b≈47,123 -16,023
c)a≈237,19 -37,29 si b≈321,123 -121,22
d)a≈202,02 -20,2 si b ≈ 203,03 - 203

3)calculati
a)245,6 -75,86 -49,345 ≈
b) 150,1-15,23 -16,45-17,678≈

Answer 1

1)
 a) 62.37-21.15+43.77=
41.22+43.77
84.99

b) 1.7+29.85-13.123=
31.55-13.123=
18.427

c)76,275 - 39,63 ₊ 5,7≈
36.645+5.7=
42.345

d)176,2 -89,563 ₊ 72,49 -102,3456≈
86.637+72.49-102.3456
159.127-102.3456
56.7814

e)82,34 - 9,257 - 10,743 ₊ 8,66 ≈
73.083-10.743+8.66
62.34+8.66
71

f)7777,8888 ₊ 555,666 - 33,44 ₊ 1,2 ≈
8333.5548-33.44+1.2
8300.1148+1.2
8301.3148

g) 12,21 ₊234,432 ₊ 3456,6543 -1010,010101 ≈
246.642+3456.6543-1010.010101
3703.2963-1010.010101
2693.2862

2)
a)a≈43,15 ₊ 26,85 si b≈ 17,8 ₊ 52,1
  a=70            >             b=69.9
b)a≈7,52 ₊ 23,49 si b≈47,123 -16,023
  a=31.01         <              b=31.1
c)a≈237,19 -37,29 si b≈321,123 -121,22
   a=199.9            <           b=199.903
d)a≈202,02 -20,2 si b ≈ 203,03 - 203
  a=181.82               >         b= 0.03

3)calculati
a)245,6 -75,86 -49,345 ≈
169.74-49.345
120.395

b) 150,1-15,23 -16,45-17,678≈
134.87-16.45-17.678
118.42-17.678
100.742

Sper ca te-am ajutat. Da-mi coronita si Cel mai bun raspuns.