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פתרו את התרגילים הבאים
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| 1) (5 + 3) x (4 + 0) = |
| 2) 6 - 2 + 5 x 3 = |
| 3) 14 + (3 - 2) x (0 + 4) = |
| 4) 12 + (13 - 9 -4) + 5 x 4 - 4 = |
| 5) 70 + (0 + 6) x 1 x 4 - (6 x 2) = |
| 6) (4 + 5) x 9 - 2 = |
| 8) (3 - 2) x (5 +45) = |
| 9) 0 : (8 - 2) x 10 +1 = |
| 10) 9 x 10 - 1 + (4 :2) : 2 = |
| 11) 7 x 9 + ( 23 +17) : 10 = |
| 12) 6 + (5 x 4 - 2) + (3 x 5 - 5) = |
| 13) 6 : 6 x (3 + 5) = |
| 14) 10 x 10 - (20 x 5) : (10 + 2) = |
| 15) (16 + 3) + 0 : 5 +1 = |