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