Tính:
30 + 16 − 37 = ...... = .......
5 × 7 + 35 = ...... = .......
20 : 4 × 6 = ...... = .......
40 : 5 : 2 = ...... = .......
30 + 16 − 37 = 46 − 37 = 9
5 × 7 + 35 = 35 + 35 = 70
20 : 4 × 6 = 5 × 6 = 30
40 : 5 : 2 = 8 : 2 = 4
-- Mod Toán 2
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