34.52- 17.87- 12.23

6.43-( 1.4-0.57)

23.75-8.64-3.46

17.83-9.5-7.83-0.5

5.38+88.2-2.38+ 1.8

27.38-5.34+2.62-4.66

2 1.63-(8.5+9.63)

7.5-2.45+7.5+2.45

5.09-(0.09+ 1.23)

9.36-(4.36-3.5)

609-708+306- 108+202- 198+497- 100

99999×26+33333×22

19 175÷59+678

1.3-3.79+9.7-6.2 1

8×0.4× 12.5×2.5

125×(8+0.8+0.08)

35 ÷〔78-(25+38)〕

3.35×6.4×2+6.7×3.6

18.7-3.375-6.625

25× 1.25×32

1.28+9.8+7.72+ 10.2

12 × 195 1 + 12×2049

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

5 180-705×6

24÷2.4-2.5×0.8

67 1× 15-974

469× 12+ 1492

405×(32 13-3 189)

12*( 1/2+2/3+5/6)

1.25× 17.6+36. 1÷0.8+2.63× 12.5

7.5× 2.3+ 1.9×2.5

1999+999×999

75÷〔 138÷( 100-54)〕

80400-(4300+870÷ 15)

240×78÷( 154- 1 15)

1437×27+27×563

〔75-( 12+ 18)〕÷ 15

2 160÷〔(83-79)× 18〕

325÷ 13×(266-250)

58870÷( 105+20×2)

[37.85-(7.85+6.4)] ×30

[ 192-(54+38)]×67

[(7. 1-5.6)×0.9- 1. 15]÷2.5

[60-(9.5+28.9)]÷0. 18

20×[(2.44- 1.8)÷0.4+0. 15]

0.8×[( 10-6.76)÷ 1.2]

25%-695%- 12%)*36

3/4*3/5+3/4*2/5

( 1- 1/4+8/9)/7/9

2/3+ 1/6/3/24+2/2 1

1*8/ 15*3/5

10-3/4/9/ 10- 1/6

[( 1/3+ 1/2)/5/6- 1/3]/ 1/7

2/3/5+3/5/2+3/4