Page 25 - aljaber

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4 1 ÷ 2 1 = 13 ÷ 7 = 13 × 3 ()
3 3 3 3 37
= 13 × 3 = 13 = 1 6 ()
3×7 7 7

3 13 × 3 3
3×7
.

3×7×2 = 3×7×2 ÷ 3 = 3×7×2×7
5

3 5 7 1153

7
= 3 × 7 × 2 × 7 = 7 × 2 × 7 = 98 = 19 3
1×1×5×3 5 5 5

. BMW .
1 ()

4
360000 BMW

. 1 × 360000 = 360000 = 90000 ()

44

1 . 15000

3
11
84