Toán Lớp 6: Tính nhanh: (+9) + (-3,6) - (+4,1) - (-1 . 3)

(+9)+(−3,6)−(+4,1)−(−1.3) =9−3,6−4,1−(−3) =9−3,6−4,1+3 =(9+3)−(3,6+4,1) =12−7,7 =4,3

(+9) + (-3,6) - (+4,1) - (-1 . 3) =9-3,6-4,1-(-3) =9-3,6-4,1+3 =(9+3)-(3,6+4,1) =12-7,7 =4,3

Toán Lớp 6: Tính nhanh: (+9) + (-3,6) - (+4,1)

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