Question

Calculează:
a) 30 + 5. 24;
b) 9.21-10;
c) 5.4 +3.9;
d) 9:3.6-1;
e) 5.3 + 6.2
f) 7.6 +2° : 2+5.3. 14.​

Answer 1

Răspuns:

a) 30 + 5. 24=30.00+5.24=35.24

b) 9.21-10=9.21-10.00=-0.79

c) 5.4 +3.9=9.3

$d) 9:3.6-1=9:\frac{36}{10} -1=9 x\frac{10}{36} -1=\frac{10}{4} -1=2.5-1.0=1.5$

e) 5.3 + 6.2 =11.5

f) 7.6 +2° : 2+5.3+ 14=7.6+1:2+5.3+14=7.6+0.5+5.3+14.0=8.1+19.3=27.4