Question

Tính giá trị của biểu thức:

a) 89 + 10 x 2 = ......................

                   = ......................

b) 25 x 2 + 78 = ......................

                   = ......................

c) 46 + 77 x 2 = ......................

                   = ......................

d) 35 x 2 + 90 = ......................

                   = ......................

Answer 1

a) 89 + 10 x 2 = 89 + 20

                   = 109

b) 25 x 2 + 78 = 50 + 78

                   = 128

c) 46 + 77 x 2 = 46 + 14

                   = 60

d) 35 x 2 + 90 = 70 + 90

                   = 160