Preguntas de cálculo sencillo en el primer volumen de sexto grado. ¡urgente! ! ! ! ! !
1/6 1/2 -1/6 =1/2,
7,5-(2,5 3,8)=1,2,
4/5 - 7/10 =1/10,
2 - 1/6 -1/3 =1,5
0,51÷17=0,03,
32,8 19=51,8,
5,2÷1,3=4,
1,6×0,4= 0,64
4,9×0,7=3,43,
25*4/25*4
7.26-(5.26-1.5)
286 198
314-202
526 301
223-99
6,25 3,85-2,125 3,875
9-2456*21
0,5/11,5-4*2,75
1/2×3/5
3.375 5.75 2.25 6.625
1001-9036÷18
3.8×5.25 14.5
2.1*4.3 5.7*2.1
30×1/3
102*45-328
2/3×12
2.8*3.1 17.6/8
3/5×5/6
( 50-12.5)/2.5
2 /5×1/3
6 110*47 639
1/2-1/6
3.5*2.7-52.2/18
1/ 7×1/5
3.375* 0,97 0,97*6,625
25 ×4/5
6,5 4 2,4 3,46 0,6
5/6 -1/2
95,6 *1.8 95.6*8.2
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
40.0.15/0.25 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. 7/8 3/8 =5/4