Preguntas de entrevista de escuela primaria preguntas de operación mixta3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27 12× 5/6 – 2/9 ×3 8 × 5/4 + 1/4 6÷ 3/8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9 5/2 -( 3/2 + 4/5 ) 7/ 8 + ( 1/8 + 1/9 ) 9 × 5/6 + 5/6 3/4 × 8/9 - 1/3 7 × 5/49 + 3/14 6 × ( 1/2 + 2 /3 ) 8 × 4/5 + 8 × 11/ 5 31 × 5/6 – 5/6 9/7 - ( 2/7 – 10/21 ) 5/9 × 18 – 14 × 2/7 4/5 × 25/ 16 + 2/3 × 3/4 14 × 8/7 – 5/ 6 × 12/15 17/32 – 3/4 × 9/24 3 × 2/9 + 1/3 5/7 × 3 /25 + 3/7 3/14 ×× 2/3 + 1/6 1/5 × 2/3 + 5/6 9/ 22 + 1/11 ÷ 1/2 5/3 × 11/5 + 4/ 3 45 × 2/3 + 1/3 × 15 7/19 + 12/19 × 5/6 1/ 4 + 3/4 ÷ 2/3 8/7 × 21/16 + 1/2 101 × 1/5 – 1/ 5 × 21 5160÷40 (58+370)÷(64-45) 120-144÷18+35 347+45×2-4160÷52 (58+37)÷(64-9×5 ) 95÷ (64-45) 178-145÷5× 6+42 42580-64×21÷28 812-700÷(9+31×11) (136+64)×(65-345÷23) 85+14 ×(14+208÷26) (284+16)×(51 2-8208÷18) 120-36×4÷18+35 (58+37)÷(64-9×5) (6.8- 6,8×0,55 ) ÷8,5 0,12× 4,8÷0,12×4,8 (3,2×1,5+2,5)÷1,6 3,2×(1,5+2,5)÷1,6 6-1,6÷4 5,38+7,85-5,37 7,2÷0,8-1,2×5 6- 6543 8+ 0,19×3-0,43 6,5×(4,8-1,2×4) 0,68×1,9+0,32×1,9 10,15-10,75×0,4-5,7 5,8×(3,87-0,13)+4,2×3,74 32,52-(6+9 0,728 ÷3,2) ×2,5 3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27 12× 5/6 – 2/9 ×3 8× 5/4 + 1/4 6÷ 3 /8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9 5/ 2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 × 5/ 6 + 5/6 3/4 × 8/9 - 1/3 7 × 5/49 + 3/14 6 × ( 1/2 + 2/3 ) 8 × 4/ 5 + 8 × 11 /5 31 × 5 /6 – 5/6 9/7 - ( 2/7 – 10/21 ) 5/9 × 18 – 14 × 2/7 4/5 × 25/16 + 2/3 × 3/4 14 × 8/7 – 5/6 × 12/15 17/32 – 3/4 × 9/24 3 × 2/9 + 1/3 5/7 × 3/25 + 3/7 3/14 ×× 2 /3 + 1/ 6 1/5 × 2/ 3 + 5/6 9/22 + 1/11 ÷ 1/2 5/3 × 11/5 + 4/3 45 × 2/3 +
1/3 × 15 7/19 + 12/19 × 5/ 6 1/4 + 3/4 ÷ 2/3 8/7 × 21/16 + 1/2 30,8÷[14-(9,85+1,07)] [ 60-(9,5+28,9)] ÷0,18 2,881÷0,43-0,24×3,5 20×[(2,44-1,8)÷0,4+0,15] 28-(3,4+1,25×2,4) 2,55×7,1+2,45×7,1 777×9+ 1111×3 0.8×〔15.5-(3.21+5.79)〕 (31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷ 1,8×0,9 36,72÷4,25×9,9 5180-705×6 24÷2,4-2,5×0,8 (4121+2389) ÷7 671×15-974 469×12+1492 405×(3213-3189) 3,416÷(0,016×35 ) 0,8×[(10-6,76)÷1,2] 19,4×6,1×2,3 5,67×0,2-0,62 18,1×0,92+3,93 0,0430,24+0,875 0,4×0,7×0,25 0,75×102 100-56,23 6 +1 4,07× 0,86+9,12,5 2. 8/9 × 15/36 + 1/27 3,12× 5/6 – 2/9 ×3 4,8× 5/4 + 1/4 5,6÷ 3/8 – 3/8 ÷6 6,4 /7 × 5/9 + 3/7 × 5/9 7,5/ 2 -( 3/2 + 4/5 ) 8,7/8 + ( 1/8 + 1/9 ) 9,9 × 5/6 + 5/ 6 10,3 /4 × 8/9 - 1/3 11,7 × 5/49 + 3/ 14 12,6 ×( 1/2 + 2/3 ) 13,8 × 4/5 + 8 × 11/5 14,31 × 5/6 – 5 /6 15,9/7 - ( 2/7 – 10/ 21 ) 16,5/9 × 18 – 14 × 2/7 17,4/5 × 25/16 + 2/3 × 3/4 18,14 × 8/7 – 5/6 × 12 / 15 19,17/32 – 3/4 × 9/24 20,3 × 2/9 + 1/3 21,5/7 × 3/25 + 3/7 22,3/14 ×× 2/3 + 1/6 23,1/5 × 2 / 3 + 5/6 24,9/22 + 1/11 ÷ 1/2 25,5/3 × 11/5 + 4/3 26,45 × 2/3 + 1/3 × 15 27,7/19 + 12/ 19 × 5 /6 28,1/4 + 3/4 ÷ 2/3 29,8/7 × 21/16 + 1/2 30,101 × 1/5 – 1/ 5 × 21 31,5160÷40 (58+370)÷(64-45 ) 32.120 -144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 42580 -64×21÷28 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 38.85+14×(14+208 ÷26) 39.(284+16)×( 512-8208÷18) 40.120-36×4÷18+35 41.(58+37)÷(64-9×5) 42.(6.8-6.8×0.55) ÷8.5 43.0.12× 4.8÷0.12×4.8 44.(3,2×1,5+2,5)÷1,6 (2)3,2×(