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In the fourth grade, the first book of mathematics is not in the state.
Examples of offline computing are as follows:

360÷[( 12+6)×5]

288÷[(26- 14)×8]

500×6-(50×2-80)

( 105× 12-635)÷25

864÷[(27-23)× 12]

(45+38- 16)×24

500-(240+38×6)

[64-(87-42)] × 15

(845- 15×3)÷ 16 12×[(49-28)÷7]

450÷[(84-48] )÷ 12

(58+37)÷(64-9×5)

95÷(64-45)

178- 145÷5×6+42

8 12-700÷(9+3 1× 1 1)

85+ 14×( 14+208÷26)

(284+ 16)×(5 12-8208÷ 18)

120-36×4÷ 18+35

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

0. 12× 4.8÷0. 12×4.8

(3.2× 1.5+2.5)÷ 1.6

6- 1.6÷4= 5.38+7.85-5.37=

7.2÷0.8- 1.2×5= 6- 1. 19×3-0.43=

6.5×(4.8- 1.2×4)=

5.8×(3.87-0. 13)+4.2×3.74

32.52-(6+9.728÷3.2)×2.5

[(7. 1-5.6)×0.9- 1. 15] ÷2.5

5.4÷[2.6×(3.7-2.9)+0.62]

12×6÷( 12-7.2)-6

12×6÷7.2-6

0.68× 1.9+0.32× 1.9

(58+370)÷(64-45)

420+580-64×2 1÷28

( 136+64)×(65-345÷23)

48. 10. 15- 10.75×0.4-5.7

388+(5000- 1000)

158+262+ 138

375+2 19+38 1+225

500 1-247- 102 1-232

( 18 1+2564)+27 19

378+44+ 1 14+242+222

276+228+353+2 19

(375+ 1034)+(966+ 125)

(2 130+783+270)+ 10 17

99+999+9999+99999

7755-(2 187+755)

22 14+638+286

3065-738- 1065

899+344

2357- 183-3 17-357

2365- 1086-2 14

497-299

2370+ 1995

3999+498

1883-398

12×25

75×24

138×25×4

( 13× 125)×(3×8)

( 12+24+80)×50

704×25 25×32× 125

32×(25+ 125) 88× 125

102×76 58×98

178× 10 1- 178

84×36+64×84

75×99+2×75

83× 102-83×2

98× 199

123× 18- 123×3+85× 123

50×(34×4)×3

25×(24+ 16)

178×99+ 178

79×42+79+79×57

7300÷25÷4

8 100÷4÷75

16800÷ 120

30 100÷2 100

32000÷400

49700÷700

1248÷24

3 150÷ 15

4800÷25

[ 192-(54+38)]×6 ( 12+24+80)×50 32×(25+ 125)25×32× 125

32×(25+ 125)

88× 125

102×76

58×98

178× 10 1- 178

84×36+64×84

75×99+2×75 83× 102-83×2

98× 199

123× 18- 123×3+85× 123

50×(34×4)×3

25×(24+ 16)

178×99+ 178

79×42+79+79×57

7300÷25÷4

8 100÷4÷75

2356-( 1356-72 1)

1235-( 1780- 1665)

75×27+ 19×2 5

3 1×870+ 13×3 10

4×(25×65+25×28)

( 18 1+2564)+27 19

378+44+ 1 14+242+222

276+228+353+2 19

(375+ 1034)+(966+ 125)

(2 130+783+270)+ 10 17

99+999+9999+99755-(2 187+755)

22 14+638+286 3065-738- 1065

899+344

2357- 183-3 17-357 2365- 1086-2 14

497-299

2370+ 1995

3999+498

1883-398

12×25 75×24

138×25×4

( 13× 125)×(3×8)

( 12+24+80)×50

704×25

25×32× 125

32×(25+ 125)

88× 125

102×76

58×98

178× 10 1- 178

84×36+64×84

75×99+2×75 83× 102-83×2

98× 199

123× 18- 123×3+85× 123

50×(34×4)×3

25×(24+ 16)

178×99+ 178

79×42+79+79×57

7300÷25÷4

8 100÷4÷75

16800÷ 120

30 100÷2 100

32000÷400

49700÷700

1248÷24

3 150÷ 15

4800÷25

2 1500÷ 125

2356-( 1356-72 1)

1235-( 1780- 1665)

75×27+ 19×25

3 1×870+ 13×3 10

4×(25×65+25×28)

580-( 12×25-29 1)

(30- 182÷26)×32

642-(36+ 132)÷4

178+32×25

79+64×68

956+37×57

893+935×49

74+59×608

563+25×69