十个数字成等式.全解有几种?非高手莫入. ..1
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发布时间:2022-05-20 19:44
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共3个回答
热心网友
时间:2023-11-18 13:46
100个(不包括两个乘数互换的有50个)
10*62-78/3=594
12*35-98/7=406
13*59-28/4=760
13*59-40/8=762
13*62-40/5=798
13*69-54/2=870
13*76-20/5=984
14*26-98/7=350
14*39-76/2=508
14*58-60/3=792
15*29-87/3=406
15*62-78/3=904
15*63-74/2=908
16*32-70/5=498
16*38-72/4=590
16*50-28/4=793
16*53-72/9=840
16*58-72/3=904
17*36-80/4=592
17*39-20/4=658
17*53-20/4=896
17*56-80/4=932
18*27-90/3=456
18*29-76/4=503
18*34-90/2=567
18*35-92/4=607
19*30-24/8=567
19*40-32/8=756
19*43-72/6=805
19*46-72/3=850
20*35-14/7=698
20*45-63/7=891
20*48-63/7=951
20*53-74/1=986
20*53-76/1=984
20*53-84/1=976
20*53-86/1=974
26*14-98/7=350
26*31-40/5=798
26*34-75/1=809
26*34-79/1=805
26*35-14/7=908
26*37-54/1=908
26*37-58/1=904
26*40-53/1=987
26*40-57/1=983
26*40-83/1=957
26*40-87/1=953
27*18-90/3=456
28*35-74/1=906
28*35-76/1=904
29*15-87/3=406
29*18-76/4=503
29*30-76/4=851
30*19-24/8=567
30*29-76/4=851
31*26-40/5=798
32*16-70/5=498
34*18-90/2=567
34*26-75/1=809
34*26-79/1=805
35*12-98/7=406
35*18-92/4=607
35*20-14/7=698
35*26-14/7=908
35*28-74/1=906
35*28-76/1=904
36*17-80/4=592
37*26-54/1=908
37*26-58/1=904
38*16-72/4=590
39*14-76/2=508
39*17-20/4=658
40*19-32/8=756
40*26-53/1=987
40*26-57/1=983
40*26-83/1=957
40*26-87/1=953
43*19-72/6=805
45*20-63/7=891
46*19-72/3=850
48*20-63/7=951
50*16-28/4=793
53*16-72/9=840
53*17-20/4=896
53*20-74/1=986
53*20-76/1=984
53*20-84/1=976
53*20-86/1=974
56*17-80/4=932
58*14-60/3=792
58*16-72/3=904
59*13-28/4=760
59*13-40/8=762
62*10-78/3=594
62*13-40/5=798
62*15-78/3=904
63*15-74/2=908
69*13-54/2=870
76*13-20/5=984
热心网友
时间:2023-11-18 13:47
共有88个解答,其中不包括数字位置可以更换的:
12*35-98/7=406,12*35-98/7=460,12*36-80/5=479,12*36-80/5=497,12*53-80/4=679
12*53-80/4=697,14*39-76/2=508,14*39-76/2=580,15*29-60/3=478,15*29-60/3=487
15*29-87/3=406,15*29-87/3=460,15*30-68/2=479,15*30-68/2=497,15*48-90/6=723
15*48-90/6=732,15*62-78/3=904,15*62-78/3=940,15*62-80/4=937,15*62-80/4=973
15*63-74/2=908,15*63-74/2=980,16*20-45/9=378,16*20-45/9=387,16*20-49/7=358
16*20-49/7=385,16*53-70/2=849,16*53-70/2=894,16*58-72/3=904,16*58-72/3=940
18*29-76/4=503,18*29-76/4=530,18*35-92/4=607,18*35-92/4=670,19*38-60/4=725
19*38-60/4=752,19*43-20/5=867,19*43-20/5=876,19*43-72/6=805,19*43-72/6=850
20*31-45/9=678,20*31-45/9=687,20*31-49/7=658,20*31-49/7=685,20*35-84/1=679
20*35-84/1=697,20*35-87/1=649,20*35-87/1=694,20*35-89/1=647,20*35-89/1=674
20*38-45/1=769,20*38-45/1=796,20*38-46/1=759,20*38-46/1=795,20*38-49/1=756
20*38-49/1=765,20*41-35/7=869,20*41-35/7=896,20*41-56/7=839,20*41-56/7=893
20*46-15/3=978,20*46-15/3=987,21*35-80/4=769,21*35-80/4=796,21*40-75/3=869
21*40-75/3=896,24*30-81/9=756,24*30-81/9=765,26*34-70/1=859,26*34-70/1=895
26*34-75/1=809,26*34-75/1=890,26*34-79/1=805,26*34-79/1=850,26*35-14/7=908
26*35-14/7=980,26*37-50/1=948,26*37-50/1=984,26*37-54/1=908,26*37-54/1=980
26*37-58/1=904,26*37-58/1=940,28*35-70/1=946,28*35-70/1=964,28*35-74/1=906
28*35-74/1=960,28*35-76/1=904,28*35-76/1=940
热心网友
时间:2023-11-18 13:47
梳小生学立短浅,看不明白.