Preguntas de cálculo sencillo en el volumen de matemáticas de quinto grado de primaria

1. (1 1/2)(1 1/3)(1 1/4)......(1 1/100) 2.(1-1/2)(1-1/3) (1 -1/4)......(1-1/100) 3.8 2-8 2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286 198 7.314-202 8.526 301 9.223-99 10.6 .25 3.85-2.125 3.875 11.9-2456*21 12.0.5/ 11.5-4*2.75 13.1/2×3/ 5 14.3.375 5.75 2.25 6.625 15.1001-9036÷18 16.3.8×5.25 .5 17.2.1* 4.3 5.7 * 2.1 18.30×1/3 19.102*45-328 20.2/3×12 21.2.8*3.1 17.6/8 22.3/5×5/6 23.(50-12.5)/2.5 24.2/ 5×1/3 25.6110* 47 639 26.1/2-1/6 27.3.5*2.7-52.2/18 28.1/7×1/5 29.3.375*0.97 0.97*6.625 30.25×4/ 5 31.6.54 2.4 3.46 0.6 32.5/6- 1/ 2 33.95.6*1.8 95.6*8.2 34.1/2×1/5 35.600-420/12 36.344/3.6-5.4*0.25 37.16/ 2 30/2 90/6 38.3001-1998.39.5000-105*34 . 15 / 0.25 0.75*1.2 41.(1/2 1/3 1/4)*0.24 42.(25 4)* 4 43.300-4263/21 44.0.81/ 0.25 5.96 45.403÷13×27 46.1.5×4.2 -0,75 ÷0,25 47,3,27×4 3,27×5,7 48.(1,2 1,8)×4,51025-768÷32 49,0,25×80-0,45÷0,9 50,65438 0025-768÷32 51,0,25*2,69*4 348 2 75* 16 53,2/ 9*15/8-1/12*9/5 54,2,4 2,4*(5,375-3,375) 55,645-45* 12 56,0,15 1,2/0,24-0,45 57,3,75-(2,35 0,25/1,25) 58,76 *1/ 4 23*25/ 100 0.25 59.10-2.87-7.13 60.0.96 9.6*9.9 61.7.5-5.7*1/3 62.12.37-3.25-6.75 63.16*6.8 2.2* 16 16 64.401*19 284 65. 58,7-16,65 /3,7 66,0,4*4,7*2,5 (2,3 5,3) 67,9,31-1,125-7,875 68,640 128*45 69,8,2*1,6-0,336/4,2 70,400*(0,62 0,08)

( 1)100 99 98-97-96 95 94-93-92 ... 7 6-5-4 3 2-1 = 200(2)(1 1/2 1/3 1/4)x(1/2 1/3 1/4 1/5)-(1 1/2 0

1.6÷3/8–3/8÷6 = 1/6x(3/8-3/8)= 1 /6x 0

= 02. 4/7×5/9 3/7×5/9 =(4/7 3/7)X5/9 = 1x 5/9 = 5/93 -( 3/2 ​​​​4. /5 )=5/2-3/2-4/ 5=1-4/5=1/54.6×(1/2 2/3)= 6x 1/2 6x 2/3 = 3 4 = 75. 8 ×4 /5 8×11/5 = 8x(4/5 11/5)= 8x 3 = 24 6. 31×5/6–5/6 =(31-1)X5/6 = 30x 5/6 = 257. 4/5 × 25/16 2/3 × 3/4 =5/4 1/2=5/4 2/4=7/ 48.101×1/5–1/5×21 =(101-21) x 1/5 = 80x 1/5 = 16