Question

Mn hiups mik bài 9 vs ạ

Answer 1

a) 6,34 × 40 = 6,34 × 4 × 10 = 25,36 × 10 = 253,6

b) 0,67 × 50 = 0,67 × 5 × 10 = 3,35 × 10 =33,5

c) 0,09 × 500 = 0,09 × 5 × 10 × 10 = 0,45 × 10 × 10 = 4,5 × 10 = 45

Answer 2

a) 6,34 × 40 = 6,34 × 4 × 10 = 25,36 × 10 = 253,6

b) 0,67 × 50 = 0,67 × 5 × 10 = 3,35 × 10 = 33,5

c) 0,09 × 500 = 0,09 × 5 × 100 = 0,45 × 100 = 45