Wykonaj mnożenie:
2 1/5 x 1,5 =
5 2/3 x 1,2 =
0,4 x 3 3/4 =
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21/5 x15/10= 315/50= 6,3
5 2/3 x 1,2 = 17/3 x 12/10 = 204/30 = 6,8
0,4 x 3 3/4 = 4/10 x 15/4 = 60/40 =1,5
2 1/5 x 1,5 = 2 1/5 x 1 5/10 = 11/5 x 15/10 = 165/50 = 3 15/50 = 3 3/10
5 2/3 x 1,2 = 5 2/3 x 1 2/10 = 17/3 x 12/10 = 204/30 = 6 24/30
0,4 x 3 3/4 = 4/10 x 3 3/4 = 4/10 x 15/4 = 60/40 = 1 20/40 = 1 2/4 = 1 1/2