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The fourth grade equation of primary school mathematics
145+78+255 105×32 656- 164-36

48+ 12-48+ 12 13+46+55+54+87 656- 164+36

540+78+ 160 363- 154- 146 4 1+ 125+59+75

28×25 92× 17-92×7 455-( 155+230)

32× 16+ 14×32 690÷ 15÷2 64×99

103×27 76× 102 3600÷25÷4

99×35 (25+ 12)×4 56×27+27×44

56×99+56 125×25×8×4 25×32× 125

125×64 48× 125 (6+8)× 125

229-83+ 17 1- 1 17 56×99+56 125×25×8×4

355+260+ 140+245 98× 10 1 48× 125 645- 180-245

38×99+38 3500÷ 14÷5 175×56+25×56 50×25×20×40

368+ 156+344+ 132 125×47×8 7200÷25÷4 44×25

96×58+96×42 6300÷(63×5) 482 -( 182+50) 135×27+ 135×72+ 135

368+ 156+344+ 132 125×47×8 7200÷25÷4 44×25

96×58+96×42 6300÷(63×5) 482 -( 182+50) 135×27+ 135×72+ 135

789- 136-64 132×29+ 132 98×83+ 166 3700÷4÷25

88× 1250 48× 125 125×32× 125 36×88+36× 15— 108

355+260+ 140+245 98× 10 1 48× 125 645— 180—245

38×99+38 3500÷ 14÷5 175×56+25×56 125×32×25

98+265+202 273-73-27 250× 13×4 3200÷4÷25

88× 125 99×38+38 17×23-23×7 72× 125

64× 15-5×64 25×( 12×40) 99×56+56 2 182- 1655-345

3200÷4÷25 298×99+298 (40+8)×25 97×8× 125

1 67+42+33+58

2 258-58-26-74

(3) 125× 16

(4) 50×(2×4)×25

(5) 7×8×3× 125

(6) 26× 103

(7) 50 1× 12

(8) 25×(40+8)

(9) 39× 14+6 1× 14

( 10) 163×8+37×8

( 1 1) 202× 13

( 12) 77×4×5

( 13) 27×99

( 14) 48×250

( 15) 98+303

( 16) 49+49×49

( 17) 55×25+25×45

( 18) 123×67-23×67

( 19) 39× 10 1-39

(20) 99×64+64

(2 1) 76×23+24×23

(22) 12+ 19× 12

(23) 2 1+254+79+46

(24) 25× 16×5

(25) 52×32+48×32

(26) 18× 137- 18×37

(27) 450÷ 18

(28) 420÷35

(29) 480÷ 15

(30) 2 1×99

(3 1) 125×32

(32) 12×30 1

(33) 75×3×4

(34) 19+99× 19

(35) 256×9-46×9

(36) 13+ 13×49

(37) (25+ 125)×8

(38) 54 1×67-67×44 1

(39) 43×20 1

(40) 102×35

(4 1) 304×22

(42) (30+4)×25

(43) 38×7+62×7

(44) 152×8+ 148×8

(45) 16×40 1

(46) 103×23

(47) (30+2)× 15

(48) 125×(8+ 16)

(49) 68×48+68×2

(50) 5×27+63×5

(5 1) 12×(40-5)

(52) 64×9- 14×9

(53) 35×98

(54) 23× 134-34×23

(55) 102×45

(56) 648+203

(57) 98×32

(58) 44×25

(59) 63+ 15×2

(60) 43+43×39

(6 1) 27×37+37×23

(62) 256×7-56×7

(63) 48× 10 1-48

(64) 99×62+62

(65) 4 1×99

(66) 765+98

(67) 560÷ 16

(68) 20 1×34

(69) 36×25

(70) 304+297

(7 1) 18×45+ 18×55

(72) 226× 13-26× 13

(73) 15×30 1- 15

(74) (30+8)×25

(75) 25×65+25×25

(76) 75× 14 1-75×40

(77) 125× 18

(78) 25×35+25

(79) 7 1×23-7 1× 13

(80) 125×(80-8)

(8 1) 10 1×89-89

(82) 88×22+22× 12

(83) 28×57+43×28

(84) 202×4 1

(85) 25× 19×4

(86) 47+99+47

(87) 103×37

(88) 34×20 1

(89) 25×5× 16

(90) 56+56×49

(9 1) 57×26+26×43

(92) 373×9-73×9

(93) 78× 10 1-78

(94) 199×53+53

(95) 25× 124-24×25

(96) 250×28

(97) 125× 16

(98) 250×9×4

(99) 48× 125

( 100) 24×250

( 10 1) 402× 15

( 102) (25+250)×4

( 103) 199×9+ 199

( 104) 27× 18+82×27

( 105) 2×46+46× 18

( 106) 40 1×25

( 107) 72× 10 1

( 108) 42×(30- 1)

( 109) 10 1×85-85

( 1 10) 25× 19

( 1 1 1) 152×49+5 1× 152

( 1 12) 50×(60+8)

( 1 13) 93×99+93

( 1 14) 13× 125×8

( 1 15) 125× 17+63× 125

( 1 16) 492- 145- 155

( 1 17) 43×25×2

( 1 18) 24×25

( 1 19) 28× 1 1 1-28× 1 1

( 120) 63×8+9 1×63+63