Các câu hỏi tương tự
Tính nhanh:
a)53.39+47.39-53.21-47.21
b)2.53.12+4.6.87-3.8.40
c)3.7.77-7.60+49.25-15.42
tính nhanh
53.39+47.39+53.21+47.21
2.53.12+4.6.87 -3.8.40
5.7.77-7.60+49.25-12.42
Tính nhanh
a,53.39 + 47.39 - 53.21 - 47.21
b, 2.53.12 + 4.6.87 - 3.8.40
c, 5.7.77 - 7.60 + 49.25 - 15.42
53.39-47.39-53.21+2.53.12+4.6.87-3.8.40
Tính nhanh
17.93+116.83+17.23
19.27+47.81+19.20
87.23+13.93+70.87
78+31+78.24+78.17+22.72
136.23+136.17-40.36
53.39+47.39-53.21-47.21
2.53.12+4.6.87-3.8.40
5.7.77-7.150+49.25+15.42
Tính
53 . 39 + 47.39 +53.21+47.21
2.53.12+ 4.6.87 - 3. 8 .40
5.7.77 - 7.60 + 49.25 - 15.42
Ai làm nhanh mình tick nhé
Tính : B=53.39+47.39-53.21-47.21
53.39+47.39-53.21-47.21
53.39+47.39-53.21-47.21