December 2018 1 16 Report
Oblicz:
a) 16 x 2
2 x 45
84 x 2
3 x 25
b) 23 x 4
31 x 5
13 x 5
4 x 16
c) 4 x 25
28 x 6
8 x 19
7 x 13
d) 4 x 54
36 x 5
77 x 2
3 x 44

Ma to być długim sposobem mam przykład : 7 x 12 = 7 x (10 +2) = 7 x 10 + 7 x 2 = 70 + 14 = 84





Prosze bardzo o pomoc daje naj mam to na jutro :(
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