Question

Tính nhanh:

129,60 - 109,92 - 9,60

Answer 1

129,60 - 109,92 - 9,60

= (129,60 - 9,60) - 109,92

= 120 - 109,92

= 10,08

Answer 2

129,60 - 109,92 - 9,60

= (129,60 - 9,60) - 109,62

= 120 - 109,62

= 10,38

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Answer 3

\(\text{129,60 - 109,92 - 9,60 }\)

\(=\text{(129,60 - 9,60) - 109,92 }\)

\(=\text{120 - 109,92 }\)

\(=10,08\)

Answer 4

129,60-109,92-9,60

=(129,60-9,60)-109,92

=120-109,92

=10,08