Question

Calculati cu doua zecimale exacte si faceti proba:
a) 137:5; b) 147:12; c) 4125:6;
d) 715:7; e) 431:24; f) 2157:132.

Answer 1

a)137÷5=27.2⇒(5×27)+2
b)147÷12=12.25⇒12×12)+3
c)4125÷6=687×6+3
d)715÷7=102×7+1
e)2157÷132=132×16+45
sucees

Answer 2

a)27,40; 5×27,40=137
b)12,25; 12×12,25=147
c)687,50; 6×687,50=4125
d)102,14; 7×102,14=715
e)17,96; 24×17,96=431
f)16,34; 132×16,34=2157