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I can't find the multiplication problem of vertical calculation in the math column in the first volume of the fourth grade.
14.5+6.96 75+25-75+25 158+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

2 1500÷ 125

Other questions:

2356-( 1356-72 1)

1235-( 1780- 1665)

75×27+ 19×2 5

3 1×870+ 13×3 10

4×(25×65+25×28)