65 101× 1/5– 1/5× 21 21
32- ( 6
3) 50+ 160÷ 40 27
7 120-144÷ 18+35 585+189+215 347+45× 2-4160÷ 52 5
25 ( 58+37) ÷ ( 64-9× 5) 768- 274- 126 95÷ ( 64-45) 5
15 178-145÷ 5× 6+42 24
4 812-700÷ ( 9+31× 11) 42
83 85+14× ( 14+208÷ 26) 3
63 120-36× 4÷ 18+35 4
1= ( 58+37) ÷ ( 64-9× 5) 625÷ 5 (6
55)÷ 8
5 456÷ 24 0
8 225÷ 15 ( 3
5) ÷ 1
6 336÷ 3 6-1
6÷ 4=5
37= 336× 3 7
2× 5=6-1
19× 3-0
43= 75× 30 6
5× ( 4
2× 4) = 9+31× 16 5
8× ( 3
13) +4
74 371- 371× 0
52-( 6+9
728÷ 3
2) × 2
5 35+ 24- 12 [( 7
6) × 0
15]÷ 2
5 200÷ 40 5
6× ( 3
62] 84÷ 4 12× 6÷ ( 12-7
2) -6 48÷ 8× 9 12× 6÷ 7
2-6 49+ 17- 25 0