21×7括号除二括号除五括号乘六括号

解：

括号里填：(5),(30),(6),(3)

5×6÷5÷2×7

=30÷5÷2×7

=6÷2×7

=3×7

=21

145+15脳6= 135

2250梅5脳8=400

36脳5梅2脳4=60

430脳3+8=98

5400梅4+20脳5= 200

610+12梅3+20=34

7(80梅20+80)梅4=21

870+(100-10脳5)=120

9360梅40= 9

1040脳20= 800

1180-25= 55

1270+45=115

1390脳2= 180

1416脳6= 96

15300脳6= 1800

16540梅9=60

1730脳20= 600

18400梅4= 100

19350-80= 270

20160+70=230

2118-64梅8= 10

2242梅6+20=27

2340-5脳7= 5

2480+60梅3=100

2541+18梅2= 50

2675-11脳5= 20

2742+7-29= 20

285600梅80=70

2925脳16= 400

30120脳25= 3000

3136脳11= 396

321025梅25=41

33336+70= 406

3425脳9脳4= 900

35200-33脳3= 101

363020-1010=2010

3712脳50= 600

3825脳8= 200

3923脳11= 253

40125梅25=5

414200-2200=2000

42220+80= 300

4320脳8脳5= 800

44600-3脳200=0

4520+20梅2= 30

4635-25梅5= 30

4736+8-40= 4

482800梅40=70

4998梅14 = 7

5096梅24 = 4

5156梅14 =4

5265梅13 = 5

5375梅15 = 5

54120梅24 =5

55200梅25 = 8

56800梅16 = 50

57840梅21 =40

58560梅14 = 40

59390梅13 = 30

60600梅15 =40

6172梅24 = 3

6285梅17 = 5

6390梅15 =6

6496梅16 = 6

6578梅26 = 4

6651梅17 =3

6780梅40 = 2

68100梅20 = 5

69100梅4 =25

70240梅40 = 6

71920梅4 = 230

72300梅60=5

7364梅2 = 32

7464梅4 = 16

7550梅5 =10

7660梅8 = 75

7796梅4 = 24

7890梅6 =15

79400+80 = 480

80400-80 = 320

8140脳80 =3200

82400梅80 = 5

8348梅16 = 3

8496梅24 =4

85160脳5= 800

864脳250= 1000

870脳518= 0

8810脳76= 760

8936脳10=360

9015脳6= 90

9124脳3= 72

925脳18= 90

9326脳4= 74

947脳15=105

9532脳30= 960

9640脳15= 600

9760脳12= 720

9823脳30= 690

9930脳50=1500

1005脳700=3500

25 -15 -80 = 10 -80 = -70

26 -6 -64 = 20 -64 = -44

27 + 3 -48 = 30 -48 = -18

28 + 12 -32 = 40 -32 = 8

29 + 21 -16 = 50 -16 = 34

30 + 30 + 0 = 60 + 0 = 60

31 + 39 + 16 = 70 + 16 = 86

32 + 48 + 32 = 80 + 32 = 112

33 + 57 + 48 = 90 + 48 = 138

34 + 66 + 64 = 100 + 64 = 164

35 + 75 + 80 = 110 + 80 = 190

36 + 84 + 96 = 120 + 96 = 216

37 + 93 + 112 = 130 + 112 = 242

38 + 102 + 128 = 140 + 128 = 268

39 + 111 + 144 = 150 + 144 = 294

40 -30 -140 = 10 -140 = -130

41 -21 -124 = 20 -124 = -104

42 -12 -108 = 30 -108 = -78

43 -3 -92 = 40 -92 = -52

44 + 6 -76 = 50 -76 = -26

45 + 15 -60 = 60 -60 = 0

46 + 24 -44 = 70 -44 = 26

47 + 33 -28 = 80 -28 = 52

48 + 42 -12 = 90 -12 = 78

49 + 51 + 4 = 100 + 4 = 104

50 + 60 + 20 = 110 + 20 = 130

51 + 69 + 36 = 120 + 36 = 156

52 + 78 + 52 = 130 + 52 = 182

53 + 87 + 68 = 140 + 68 = 208

54 + 96 + 84 = 150 + 84 = 234

55 -45 -200 = 10 -200 = -190

56 -36 -184 = 20 -184 = -164

57 -27 -168 = 30 -168 = -138

58 -18 -152 = 40 -152 = -112

59 -9 -136 = 50 -136 = -86

60 + 0 -120 = 60 -120 = -60

61 + 9 -104 = 70 -104 = -34

62 + 18 -88 = 80 -88 = -8

63 + 27 -72 = 90 -72 = 18

64 + 36 -56 = 100 -56 = 44

65 + 45 -40 = 110 -40 = 70

66 + 54 -24 = 120 -24 = 96

67 + 63 -8 = 130 -8 = 122

68 + 72 + 8 = 140 + 8 = 148

69 + 81 + 24 = 150 + 24 = 174

70 -60 -260 = 10 -260 = -250

71 -51 -244 = 20 -244 = -224

72 -42 -228 = 30 -228 = -198

73 -33 -212 = 40 -212 = -172

74 -24 -196 = 50 -196 = -146

7+14=21 18-9=9

8+16=24 25-5=20

9+18=2756-45=11

10+20=3045-23=22

11+22=3378-23=55

12+24=36

10-3=7

15-4=11

20-5=15

25-6=19

30-7=23

35-8=27

40-9=31

45-10=35

50-11=39

55-12=43

60-13=47

65-14=51

70-15=55

75-16=59

80-17=63

85-18=67

90-19=71

95-20=75

100-21=79

105-22=83

110-23=87

115-24=91

120-25=95

125-26=99

130-27=103

13+26=39

14+28=42

15+30=45

16+32=48

17+34=51

18+36=54

19+38=57

20+40=60

21+42=63

22+44=66

23+46=69

24+48=72

25+50=75

26+52=78

27+54=81

28+56=84

29+58=87

30+60=90

31+62=93

32+64=96

33+66=99

5 梅1 =5

10 梅2 =5

15 梅3 =5

20 梅4 =5

25 梅5 =5

30 梅6 =5

35 梅7 =5

40 梅8 =5

45 梅9 =5

50 梅10 =5

55 梅11 =5

60 梅12 =5

65 梅13 =5

70 梅14 =5

75 梅15 =5

80 梅16= 5

85 梅17= 5

90 梅18= 5

95 梅19= 5

100 梅20 =5