The first kind of olympiad math problems in grade four
(300+6)x 12 25x(4+8) 125 x(35+8)( 13+24)x8
The second kind of olympiad math problems in grade four.
84x 10 1 504 x25 78x 102 25x 204
The third kind of Olympic math calculation problem in grade four
99x64 99x 16 638x99 999x99
The fourth kind of Olympic math calculation problems in grade four
99x 13+ 13 25+ 199 x25 32x 16+ 14x 32 78 x4+78x 3+78x 3
Fourth grade, the fifth kind of Olympic math calculation problems
125 x32x 8 25 x32x 125 88x 125 72x 125
Fourth grade, the sixth kind of Olympic math calculation problems
3600÷25÷4 8 100÷4÷75 3000÷ 125÷8 1250÷25÷5
The seventh kind of olympiad math problems in grade four.
1200-624-76 2 100-728-772 273-73-27 847-527-273
Fourth grade, the eighth kind of Olympic math calculation problems
278+463+22+37 732+580+268 1034+780320+ 102 425+ 14+ 186
Fourth grade ninth kind of Olympic math calculation problems
2 14-(86+ 14) 787-(87-29) 365-(65+ 1 18) 455-( 155+230)
Fourth grade tenth kind of Olympic math calculation problems
576-285+85 825-657+57 690- 177+77 755-287+87
Fourth grade eleventh kind of Olympic math calculation problems
87 1-299 157-99 363- 199 968-599
The twelfth kind of olympiad math problems in grade four.
178 x 10 1- 178 83x 102-83x 2 17X23-23x 7 35x 127-35x 16- 1 1x 35
The thirteenth kind of olympiad math problems in grade four.
64(8 x2) 1000( 125 x4)
Fourth grade 14th Olympiad math problem.
375 times (109-9)456 times (99+ 1)
126×6×8 55×36+64×55
755- 122-78 789×99
(8+80)× 125 25× 10 1
125×38+ 125×30 ( 125+ 16)×8
78 1× 10 1-78 1 25× 16-25× 10
25× 16× 125 25×32
234×80×5 78 1-499
79× 16+79×78+79×6 79×99+79
800÷ 125 4004×25
2000÷ 125 65+93×65+6×65
9999+999+99+9 158+262+ 138
600÷25÷4 (2 130+783+270)+ 10 17
600÷25 125× 18
375+2 19+38 1+225 500 1-247- 102 1-232
(375+ 1034)+(966+ 125) 99+999+9999+99999
3999+498 1883-398
2356-( 1356-72 1) 75×27+ 19×25
3 1×870+ 13×3 10 4×(25×65+25×28)