Question

Tính:

a) 3,125 + 2,075 \(\times\) 2;                          b) (3,125 + 2,075) \(\times\) 2

Answer 1

a) 3,125 + 2,075 x 2 = 3,125 + 4,15 = 7,275 .

b) (3,125 + 2,075) x 2 = 5,2 x 2 = 10,4

Answer 2

50 chục

Answer 3

a) \(3.125+2.075\cdot2=3.125+4.15=7.275\)

Answer 4

b) \(\left(3.125+2.075\right)\cdot2=5.2\cdot2=10.4\)