1) جد قيمة العدد (5) 12354 a) 50 b) 5000 c) 50000 d) 500 2) جد قيمة العدد(7)678904 a) 70000 b) 700 c) 700000 d) 70 3) رتب الاعداد تصاعديا303962,,, 330820,,,329845 a) 303962,,,,,330820,,,,,3290854 b) 329854,,,303962,,,,330820 c) 330820,,,,329845,,,,,303962 d) 329845,,,,303962,,,,330820 4) 200692+28542 a) 234161 b) 229171 c) 518219 d) 900000 5) 624836+282189 a) 63824+29452 b) 93277 c) 923456 d) 93275 e) 93276 6) 20=4×5 a) 4timesas many as 6 is 20 b) 3times as many as 5 is 20 c) 5times as many as 4 is 20 7) 200×7 a) 1300 b) 1400 c) 2350 d) 1409 8) 4000×9 a) 27000 b) 34000 c) 36000 d) 400000 9) 243×6 a) 1458 b) 13568 c) 14580 d) 12346 10) 640×3 a) 2820 b) 1920 c) 2930 d) 1923 11) 9×1999 a) 20000 b) 1791 c) 1789 d) 14578 12) 4÷13 a) 3r2 b) 3r1 c) 3r5 13) 31×43 a) 1333 b) 1234 c) 1245 d) 1479 14) 1467×4 a) 5897 b) 5868 c) 34589 d) 5687 15) 3×46 a) 135 b) 123 c) 138 d) 12345 16) 229615_780573 a) 550985 b) 558678 c) 550984 d) 553456 17) 431511( )413115 a) b) c) = d) + e) -

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