Current location - Training Enrollment Network - Mathematics courses - There are 600 simple math problems in the fourth grade.
There are 600 simple math problems in the fourth grade.
25×42×4 68× 125×8 4×39×25 4×25+ 16×25

4×25× 16×25 (25+ 15) ×4 (25× 15)×4

49×49+49×5 1 49×99+49 (68+32)×5 68+32×5

( 125×25)×4 ( 125 + 17)×8 25×64× 125

85×82 + 82× 15 25×97 + 25×3 64× 15- 14× 15

125×88 88× 102 5×289×2

87×99 + 87 79×25 + 25 76× 10 1-76

378 + 527 + 73 167 + 289 + 33 58 + 39 + 42 + 6 1

36×45+36×56-36 66×93+93×33+93 36×97—58×36+6 1×36

355+260+ 140+245 102×99 2× 125 645- 180-245 382× 10 1-382

4×60×50×8 35×8+35×6-4×35 125×32 25×46 10 1×56 99×26

1022-478-422 987-(287+ 135) 478-256- 144 672-36+64

36+64-36+64 487-287- 139-6 1 500-257-34- 143 2000-368- 132 18 14-378-422

89×99+89 155+264+36+44 25×(20+4) 88×225+225× 12

698-29 1-9 568-(68+ 178) 56 1- 19+58 382+ 165+35-82

155+256+45-98 236+ 189+64 759- 126-259 25×79×4 569-256-44

2 16+89+ 1 1 57× 125×8 1050÷ 15÷7 7200÷24÷30

2 19 ×99 37 ×98 58 × 10 1 76 × 10278×46+78×54 169× 123—23× 169

37×99+37 129× 10 1— 129 149×69— 149+ 149×32 56×5 1+56×48+56

125×25×32 24×25 125×48 5 14+ 189—2 14 369—256+ 156

56×25×4× 125 24×73+26×24 16×98+32 5 12+(373-2 12)

228+(72+ 189) 169+ 199 109+(29 1- 176)