Tính
a)
2 × 3 × 1 = .......... = .........
2 × 1 × 3 = ......... = ..........
b)
4 × 5 : 1 = ........... = ..........
4 : 1 × 5 = ........... = ..........
c)
8 : 4 × 1 = ........... = ..........
8 × 1 : 4 = ........... = ..........
d)
12 : 3 : 1 = .......... = ..........
12 : 1 : 3 = .......... = ...........
a)
2 × 3 × 1 = 6 × 1 = 6
2 × 1 × 3 = 2 × 3 = 6
b)
4 × 5 : 1 = 20 : 1 = 20
4 : 1 × 5 = 4 × 5 = 20
c)
8 : 4 × 1 = 2 × 1 = 2
8 × 1 : 4 = 8 : 4 = 2
d)
12 : 3 : 1 = 4 : 1 = 4
12 : 1 : 3 = 12 : 3 = 4
-- Mod Toán 2
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