3+5=8 18÷8/348 48×5/8=30 30×12=360 数学方法怎么解释?
2013-09-10
展开全部
13(1-1/4+8/9)/7/9
142/3+1/6+3/24+2/21
52-(32+45)
78+18+19
97-(27-1021)
58+56+19
240400+12400-150400
186240+88240+252240
143-(38542-252240)
23+59-23+59
67+215+17+1315
89+14+19+34
12+13+14
23+59-23+59158+262+138
375+219+381+225
5001-247-1021-232
(181+2564)+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755-(2187+755)
2214+638+286
3065-738-1065
899+344
2357-183-317-357
2365-1086-214
497-299
2370+1995
3999+498
1883-398
12×25
75×24
138×25×4
(13×125)×(3×8)
(12+24+80)×50
704×25
25×32×125
32×(25+125)
88×125
102×76
58×98
178×101-178
84×36+64×84
75×99+2×75
83×102-83×2
98×199
123×18-123×3+85×123
50×(34×4)×3
分数.
1.(25%-695%-12%)*36
2.3/4*3/5+3/4*2/5
3.(1-1/4+8/9)/7/9
42/3+1/6/3/24+2/21
51*8/15*3/5
610-3/4/9/10-1/6
7[(1/3+1/2)/5/6-1/3]/1/7
82/3/5+3/5/2+3/4
91/[(2-2/3/1/2)]*2/5
103^2*3.25678
113^3-5
124^2-34%
133.25-315%
147^3+445%39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12×4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6(2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4=5.38+7.85-5.37=
46.7.2÷0.8-1.2×5=6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)=0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15]÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6(4)12×6÷7.2-6102×4.5
7.8×6.9+2.2×6.9
5.6×0.25
8×(20-1.25)
1)127+352+73+44(2)89+276+135+33
3.5×200=700,1.5-0.06=1.44
0.75÷15=0.05,0.4×0.8=0.32,4×0.25=1,0.36+1.54=2
1.01×99=99.99,420÷35=12,25×12=300,135÷0.5=270
3/4+1/4=1,2+4/9=22/9,3-2/3=7/3,3/4-1/2=1/4
1/6+1/2-1/6=1/2,7.5-(2.5+3.8)=1.2,7/8+3/8=5/4
3/10+1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.5
0.51÷17=0.03,32.8+19=51.8,5.2÷1.3=4,1.6×0.4=0.64
4.9×0.7=3.43,1÷5=0.2,6÷12=0.5,0.87-0.49=0.38
最佳答案检举56*5=654*2=5/821*4=2445*2=2/531*5=3/5
72*6=7/1252*6=5/1235*2=3/1057*2=5/1456*1=5/6
79*2=7/1854*2=5/8245*0=056-54=5221+21=1
45-45=032-31=315+41=54151+51=527/7+7/7=2
2/1*2=13/1*3=13/2*3=23/1*6=24/3*8=6
4/3*8=65/3*20=127/3*14=68/7*40=354/3*16=12
4/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=1
30/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=144
5/8*90=14499/98*99=983/14*6=287/1*28=410/1*90=9
5/3*105=6319/7*38=145/1*25=56/1*48=87/2*28=88/19*16=38
8/19*16=3861/60*122=1207/2*28=88/19*16=381/1*2=2
9/7*18=1425/7*100=289/5*81=458/9*16=182/7*2=2/14
54/2=5256/2=5332/1=325*51=159/3=53
7/1*8=563/1*3=13/2*3=23/1*6=24/3*8=6
4/3*8=65/3*20=127/3*14=68/7*40=354/3*16=12
4/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=1
30/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=144
5/8*90=14499/98*99=983/14*6=287/1*28=45/1*25=5
10/1*90=95/3*105=6319/7*38=145/1*25=58/19*16=38
8/19*16=3861/60*122=1207/2*28=86/1*48=821*2=1
9/7*18=1425/7*100=289/5*81=458/9*16=18
4/9×3=5÷1/3=1/2÷1/3=2/7×3/9÷2/7=21/25÷42=4/5×3/4=8.7×0.2=4×0.25=1/7×14=2/3÷5/6=1.25×8=3/5÷5/8=6/7×3/2=6×8.8=4/11÷4=4/9×3/8=5/3÷5=0÷8/3=4/7-2/3=2/7×2=41/12×4=4÷3/16=12÷9/4=75/8÷5=12×16/9=2/3×3=8÷9/4=5/3÷3/5=4/5×5/8=7/9×9/7=
2.64+3.6=2.4×50=3500÷70=2050-298=2+7÷9=0.3÷3%=81.2-11÷7-×3=6696÷62-6.5×10.6=1.89÷100=0.82+0.08=73×1=0.63×10=4÷10=17÷1000=
0.56+0.4=1.25×100=5.6+99=
100÷25=1-0.93=90-0.9=
794-198=68×25=6756-193-207=
72×125=97×360+3×360=
求比值23:3845:4957:1020:2332:2935:41化简比28:3516:3212:2236:7216:1812:24
求比值23:3845:4957:1020:2332:2935:41
35:4713:1725:2723:2939:4053:100
12:1314:25
口算1-25%-35%=
1÷2=()%
33×1/2=
25÷1/2=
15%+25%=
(9/7+12/19)×0=
33%+57%=
16×3/16=
(8/7-1/7)×2=
52÷82%×0=
13×1×1/2=
23×3/5×5/3=35:4713:1725:2723:2939:4053:100
12:1314:25
1、直接写得数。(8分)
1÷13=1-12-13=58×23=56×(18+625)
16×12=29÷35=(318+79)×0=12+712=
/分数线左边是分母*乘号2/1*2=13/1*3=13/2*3=23/1*6=2
4/3*8=65/3*20=127/3*14=68/7*40=35
4/3*16=129/5*27=152/1*30=1512/7*24=14
30/1*30=151/9*102=1819/9*76=364/9*8=18
5/8*90=14499/98*99=983/14*6=287/1*28=4
10/1*90=95/3*105=6319/7*38=145/1*25=5
8/19*16=3861/60*122=1207/2*28=86/1*48=8
9/7*18=1425/7*100=289/5*81=458/9*16=18
选吧!!!
142/3+1/6+3/24+2/21
52-(32+45)
78+18+19
97-(27-1021)
58+56+19
240400+12400-150400
186240+88240+252240
143-(38542-252240)
23+59-23+59
67+215+17+1315
89+14+19+34
12+13+14
23+59-23+59158+262+138
375+219+381+225
5001-247-1021-232
(181+2564)+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755-(2187+755)
2214+638+286
3065-738-1065
899+344
2357-183-317-357
2365-1086-214
497-299
2370+1995
3999+498
1883-398
12×25
75×24
138×25×4
(13×125)×(3×8)
(12+24+80)×50
704×25
25×32×125
32×(25+125)
88×125
102×76
58×98
178×101-178
84×36+64×84
75×99+2×75
83×102-83×2
98×199
123×18-123×3+85×123
50×(34×4)×3
分数.
1.(25%-695%-12%)*36
2.3/4*3/5+3/4*2/5
3.(1-1/4+8/9)/7/9
42/3+1/6/3/24+2/21
51*8/15*3/5
610-3/4/9/10-1/6
7[(1/3+1/2)/5/6-1/3]/1/7
82/3/5+3/5/2+3/4
91/[(2-2/3/1/2)]*2/5
103^2*3.25678
113^3-5
124^2-34%
133.25-315%
147^3+445%39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12×4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6(2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4=5.38+7.85-5.37=
46.7.2÷0.8-1.2×5=6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)=0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15]÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6(4)12×6÷7.2-6102×4.5
7.8×6.9+2.2×6.9
5.6×0.25
8×(20-1.25)
1)127+352+73+44(2)89+276+135+33
3.5×200=700,1.5-0.06=1.44
0.75÷15=0.05,0.4×0.8=0.32,4×0.25=1,0.36+1.54=2
1.01×99=99.99,420÷35=12,25×12=300,135÷0.5=270
3/4+1/4=1,2+4/9=22/9,3-2/3=7/3,3/4-1/2=1/4
1/6+1/2-1/6=1/2,7.5-(2.5+3.8)=1.2,7/8+3/8=5/4
3/10+1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.5
0.51÷17=0.03,32.8+19=51.8,5.2÷1.3=4,1.6×0.4=0.64
4.9×0.7=3.43,1÷5=0.2,6÷12=0.5,0.87-0.49=0.38
最佳答案检举56*5=654*2=5/821*4=2445*2=2/531*5=3/5
72*6=7/1252*6=5/1235*2=3/1057*2=5/1456*1=5/6
79*2=7/1854*2=5/8245*0=056-54=5221+21=1
45-45=032-31=315+41=54151+51=527/7+7/7=2
2/1*2=13/1*3=13/2*3=23/1*6=24/3*8=6
4/3*8=65/3*20=127/3*14=68/7*40=354/3*16=12
4/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=1
30/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=144
5/8*90=14499/98*99=983/14*6=287/1*28=410/1*90=9
5/3*105=6319/7*38=145/1*25=56/1*48=87/2*28=88/19*16=38
8/19*16=3861/60*122=1207/2*28=88/19*16=381/1*2=2
9/7*18=1425/7*100=289/5*81=458/9*16=182/7*2=2/14
54/2=5256/2=5332/1=325*51=159/3=53
7/1*8=563/1*3=13/2*3=23/1*6=24/3*8=6
4/3*8=65/3*20=127/3*14=68/7*40=354/3*16=12
4/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=1
30/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=144
5/8*90=14499/98*99=983/14*6=287/1*28=45/1*25=5
10/1*90=95/3*105=6319/7*38=145/1*25=58/19*16=38
8/19*16=3861/60*122=1207/2*28=86/1*48=821*2=1
9/7*18=1425/7*100=289/5*81=458/9*16=18
4/9×3=5÷1/3=1/2÷1/3=2/7×3/9÷2/7=21/25÷42=4/5×3/4=8.7×0.2=4×0.25=1/7×14=2/3÷5/6=1.25×8=3/5÷5/8=6/7×3/2=6×8.8=4/11÷4=4/9×3/8=5/3÷5=0÷8/3=4/7-2/3=2/7×2=41/12×4=4÷3/16=12÷9/4=75/8÷5=12×16/9=2/3×3=8÷9/4=5/3÷3/5=4/5×5/8=7/9×9/7=
2.64+3.6=2.4×50=3500÷70=2050-298=2+7÷9=0.3÷3%=81.2-11÷7-×3=6696÷62-6.5×10.6=1.89÷100=0.82+0.08=73×1=0.63×10=4÷10=17÷1000=
0.56+0.4=1.25×100=5.6+99=
100÷25=1-0.93=90-0.9=
794-198=68×25=6756-193-207=
72×125=97×360+3×360=
求比值23:3845:4957:1020:2332:2935:41化简比28:3516:3212:2236:7216:1812:24
求比值23:3845:4957:1020:2332:2935:41
35:4713:1725:2723:2939:4053:100
12:1314:25
口算1-25%-35%=
1÷2=()%
33×1/2=
25÷1/2=
15%+25%=
(9/7+12/19)×0=
33%+57%=
16×3/16=
(8/7-1/7)×2=
52÷82%×0=
13×1×1/2=
23×3/5×5/3=35:4713:1725:2723:2939:4053:100
12:1314:25
1、直接写得数。(8分)
1÷13=1-12-13=58×23=56×(18+625)
16×12=29÷35=(318+79)×0=12+712=
/分数线左边是分母*乘号2/1*2=13/1*3=13/2*3=23/1*6=2
4/3*8=65/3*20=127/3*14=68/7*40=35
4/3*16=129/5*27=152/1*30=1512/7*24=14
30/1*30=151/9*102=1819/9*76=364/9*8=18
5/8*90=14499/98*99=983/14*6=287/1*28=4
10/1*90=95/3*105=6319/7*38=145/1*25=5
8/19*16=3861/60*122=1207/2*28=86/1*48=8
9/7*18=1425/7*100=289/5*81=458/9*16=18
选吧!!!
2013-09-10
展开全部
这就是数学基本运算啊,还要怎么解释??
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