Question

Tính nhanh:

77,20 - 57,89 - 5,20

Answer 1

77,20 - 57,89 - 5,20

= (77,20 - 5,20) - 57,89

= 67 - 57,89

= 9,11

k mình nha

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Answer 2

77,20 - 57,89 - 5,20

= 77,20 - 5,20 - 57,89

=       72         - 57,89

=                14,11

Answer 3

77,20 - 57,89 - 5,20

= ( 77,20 - 5,20 ) - 57,89

= 72 - 57,89

=14,11

k mk nha

Answer 4

77,20 - 57,89 - 5,20

= ( 77,20 - 5,20 ) - 57,89

= 72 - 57,89

= 14,11

Answer 5

77.20-57.89-5.20

=19.31-5.20

=14.11

k nhe

Answer 6

= 14,11