CÂU 1. (2,0 ĐIỂM) THỰC HIỆN PHÉP TÍNH − + A) 1 3 32 4
8 :
16 16 2 4
1 5 5 3
= + −
2 4 2 : 4
1 5 2 3
= + ⋅ −
2 4 5 4
1 1 3
2 2 4
1 3
= − 4
1
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