未来的教室作文100字:脑筋题目:照样子写算式3

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??()??()??()??=??

算式中的"?"表示着0至9九个数字,"()"填入适当的运算符号,使这道算式能够成立?

你能写出所有的答案来吗?
更正:算式中的"?"表示着0至9十个不同的数字.

结果数量很多,总计49956个,26种算式:

1、++-解答数量:7632
10+28+79-53=64,10+28+79-54=63,10+28+79-63=54,10+28+79-64=53
......
98+24+13-60=75,98+24+13-65=70,98+24+13-70=65,98+24+13-75=60

2、++/解答数量:84
10+25+96/48=37,10+37+56/28=49,10+43+87/29=56,10+52+78/39=64
......
80+15+46/23=97,80+15+64/32=97,85+10+46/23=97,85+10+64/32=97

3、+-+解答数量:7632
10+28-53+79=64,10+28-54+79=63,10+28-63+79=54,10+28-64+79=53
......
98+24-60+13=75,98+24-65+13=70,98+24-70+13=65,98+24-75+13=60

4、+--解答数量:7632
10+98-25-36=47,10+98-25-37=46,10+98-25-46=37,10+98-25-47=36
......
98+46-73-20=51,98+46-73-21=50,98+46-73-50=21,98+46-73-51=20

5、+-/解答数量:152
10+27-96/48=35,10+39-56/28=47,10+46-87/29=53,10+54-78/39=62
......
80+17-46/23=95,80+17-64/32=95,87+10-46/23=95,87+10-64/32=95

6、+*/解答数量:220
10+26*57/38=49,10+26*57/39=48,10+36*58/24=97,10+56*93/84=72
......
87+12*35/60=94,87+15*24/60=93,87+24*15/60=93,87+35*12/60=94

7、+/+解答数量:84
10+46/23+85=97,10+56/28+37=49,10+64/32+85=97,10+78/39+52=64
......
80+46/23+15=97,80+64/32+15=97,85+46/23+10=97,85+64/32+10=97

8、+/-解答数量:152
35+96/48-10=27,35+96/48-17=20,35+96/48-20=17,35+96/48-27=10
......
98+56/14-30=72,98+56/14-32=70,98+56/14-70=32,98+56/14-72=30

9、+/*解答数量:220
10+26/38*57=49,10+26/39*57=48,10+36/24*58=97,10+56/84*93=72
......
87+12/60*35=94,87+15/60*24=93,87+24/60*15=93,87+35/60*12=94

10、-++解答数量:7632
10-37+52+64=89,10-37+54+62=89,10-37+62+54=89,10-37+64+52=89
......
98-75+13+24=60,98-75+14+23=60,98-75+23+14=60,98-75+24+13=60

11、-+-解答数量:7632
10-25+98-36=47,10-25+98-37=46,10-25+98-46=37,10-25+98-47=36
......
98-73+46-20=51,98-73+46-21=50,98-73+46-50=21,98-73+46-51=20

12、-+/解答数量:152
35-10+96/48=27,35-17+96/48=20,35-20+96/48=17,35-27+96/48=10
......
98-70+56/14=32,98-72+56/14=30,98-74+30/15=26,98-76+30/15=24

13、--+解答数量:7632
10-25-36+98=47,10-25-37+98=46,10-25-46+98=37,10-25-47+98=36
......
98-73-20+46=51,98-73-21+46=50,98-73-50+46=21,98-73-51+46=20

14、--/解答数量:84
37-10-96/48=25,37-15-96/48=20,37-20-96/48=15,37-25-96/48=10
......
97-80-46/23=15,97-80-64/32=15,97-85-46/23=10,97-85-64/32=10

15、-*/解答数量:220
34-20*76/95=18,34-76*20/95=18,36-18*45/90=27,36-19*48/57=20
......
97-58*63/42=10,97-63*58/42=10,98-36*45/20=17,98-45*36/20=17

16、-/+解答数量:152
10-46/23+87=95,10-56/28+39=47,10-64/32+87=95,10-78/39+54=62
......
80-46/23+17=95,80-64/32+17=95,87-46/23+10=95,87-64/32+10=95

17、-/-解答数量:84
37-96/48-10=25,37-96/48-15=20,37-96/48-20=15,37-96/48-25=10
......
97-82/41-30=65,97-82/41-35=60,97-82/41-60=35,97-82/41-65=30

18、-/*解答数量:220
34-20/95*76=18,34-76/95*20=18,36-18/90*45=27,36-19/57*48=20
......
97-58/42*63=10,97-63/42*58=10,98-36/20*45=17,98-45/20*36=17

19、*-*解答数量:200
14*59-20*37=86,14*59-37*20=86,17*59-20*46=83,17*59-46*20=83
......
97*53-64*80=21,97*53-80*64=21,98*21-37*54=60,98*21-54*37=60

20、*/+解答数量:220
10*49/35+72=86,10*54/36+82=97,10*63/45+78=92,10*84/35+72=96
......
95*20/76+18=43,96*18/72+30=54,98*15/70+42=63,98*32/56+14=70

21、*/-解答数量:656
20*93/15-46=78,20*93/15-48=76,20*93/15-76=48,20*93/15-78=46
......
96*51/48-30=72,96*51/48-32=70,96*51/48-70=32,96*51/48-72=30

22、/++解答数量:84
28/14+30+65=97,28/14+35+60=97,28/14+60+35=97,28/14+65+30=97
......
96/48+21+50=73,96/48+25+10=37,96/48+50+21=73,96/48+51+20=73

23、/+-解答数量:152
28/14+95-30=67,28/14+95-37=60,28/14+95-60=37,28/14+95-67=30
......
96/48+71-20=53,96/48+71-23=50,96/48+71-50=23,96/48+71-53=20

24、/-+解答数量:152
28/14-30+95=67,28/14-37+95=60,28/14-60+95=37,28/14-67+95=30
......
96/48-23+71=50,96/48-27+35=10,96/48-50+71=23,96/48-53+71=20

25、/*+解答数量:220
10/34*85+67=92,10/35*49+72=86,10/35*84+72=96,10/36*54+82=97
......
95/76*20+18=43,96/72*18+30=54,98/56*32+14=70,98/70*15+42=63

26、/*-解答数量:656
20/15*93-46=78,20/15*93-48=76,20/15*93-76=48,20/15*93-78=46
......
96/54*27-10=38,96/54*27-18=30,96/54*27-30=18,96/54*27-38=10

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