BÀI 1. (2,5 ĐIỂM) THỰC HIỆN PHÉP TÍNH

16 .3

2 8

3 6

16

18

16

18

2

(3 ) .(2 ) 3 .2 3 .2 2 4= = = = =

4 4

17

16

17

16

16

3 3(2 ) .3 2 .3 2 .3 .3

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