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
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
[(65-2/3)÷7/2-23/15]×750
=[35/6÷7/2-23/15]×750
=[5/3-23/15]×750
=12/25×750
=360
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