a) [ ( 6 × 3 ) :4 ] : 2 =( 18 : 4 ) : 2 = 4,5 : 2 = 2,25
b) 30:5 = 6 ×3 = 18 : 3 = 6
c) 4 × 2 = 8 × 3 = 24 : 6 = 4
d) 9 × 3 = 27 + 13 = 40 - 3 = 37
e) 9 : 3 = 3 + 27 = 30 : 3 = 10
f)14 + 19 = 33 - 1 = 32 : 4 = 8
g) 100 - 45 = 55 - 10 = 45 : 5 = 9
h) ( 8 × 4 ) + ( 8 : 4 ) = 32 + 2 = 34
i) 20 - 5 = 15
j) 100 - 5 = 95
Sper ca te-am ajutat !