0.38+1.64= 0.65+0.27= 1.5-0.9= 2.3-0.7=
3-2.8= 3.2-2.4= 5.14-3.6= 2.41-1.6=
44-9+62= 56+23-6= 19-8+21= 101×78=
2.14-0.9= 0.5+7.6= 240÷48= 4200÷30=
0.75-0.38= 396+99= 286+199= 1-0.2=
20×35= 18.5-9.9= 0.5+4.4= 8.7+0.2=
1.54+0.4= 3.6+0.28= 7.4+1.6= 5.3+4.7=
0.9+6.1= 3.48+1.7= 4.6+0.52= 2.7-0.5=
5.6-2.4= 3.58-0.15= 6.34-2.13= 1.3-0.7=
5.2-2.4= 3.58-0.15= 1-0.9= 1.37-0.6=
4.5-0.23= 0.8-0.18= 44×25= 16×25=
8.8-8.7= 5.5-5.4= 4.1-0.5= 3.7-3.2=
8.2+0.5= 5.3-0.4= 8.8-8.7= 5.5-5.4=
2.7+6.3= 0.58+3.5= 6-2.2= 5.6-2.8=
25×12= 6.68-2.1= 6.38+5.62= 3.92-0.9=
0.25×10= 100×2.003= 62÷10= 123.5÷100=
9.025×100= 9-2.3-3.7= 4×31×25= 28×0÷54=
.025×100= 13-2.3-3.7= 4×28×25= 36×0÷2.55= 3.7+8.4= 0.58+3.2= 6-3.3= 5.4-2.8=
25×16= 6.68-2.5= 6.38+8.62= 3.92-0.2=
0.225×10= 100×2.03= 6.2÷10= 123÷100=
3.7+7.3= 0.56+3.4= 6-3.22= 5.4-4.5=
25×28= 6.88-2.8= 0.91+0.09= 3.92-0.2=
0.225×10= 100×2.03= 61.5÷10= 6.5÷100=
0.005×100= 16-5.3-4.7= 4×2.7×25= 36×0÷55=
72×99+72 = 30.5-5.3-1.7= 102×99=2×125=
63+124+76= 5.4-2.5-1.4= 7×19+7= 12-6-3.8=
0.025×100= 13-2.3-3.7= 4×28×25= 36×0÷2.55=
2.3+0.8+0.7= 4.9+1.5+0.5= 1.1+0.4+0.9+6.4=
3.7+4.8+0.2= 5.6+0.4+2.9= 6.1+2.7+0.9=
8.4-0.5-2.5= 2.6-0.3-1.7= 9.4-2.4-0.8=
7.7-4-2.7= 25×12×4= 17×15×4=
8×9×5= 25×(4+8)= 6×99+6=
360÷2÷5= 27×19-27×9= 7200÷4÷25=
0.3+0.6+0.2= 0.9-(0.3+0.5)= 0.2+0.7-0.4=
0.4-(0.1+0.30= 0.5+0.5-0.1= 2.4-0.3-0.1=
0.7+0.6-0.2= 13-0.5-0.3= 0.7+0.4+0.2=
1.4-0.2-0.3= 0.8+0.7-0.2= 1-(0.3+0.4)=
4+1.2-0.6= 1.5-0.7-0.8= 1.4-0.7-0.7=
1.3-0.3-0.7= 1.2-0.2-0.8= 1.2+0.4+0.8=
4.8+3.5+0.2= 0.4+0.6+3.9= 5.9-0.9-0.1=
5.1+0.9-0.1= 8.2-0.9-0.1= 9.4-0.6-0.4=
0.2+0.4-0.1= 0.7-0.2+0.3= 0.3+0.6-0.5=
0.5-0.4+0.1= 0.4+0.5-0.2= 0.6-0.1-0.5=
0.8+0.7-0.3= 1.3-0.4-0.2= 0.5+0.9-0.3=
0.9-0.2-0.5= 1.4-0.7-0.1= 1.2-0.3-0.7=
0.8+0.6-0.3= 1.3-（0.5+0.2）= 0.7+0.7-0.3=
2.2-0.5-0.7= 3+1.4-0.7= 4.44+1.5+0.6=
6.3+0.5+1.5= 1.9+0.7+0.3+5.1= 5.6-(3.6+0.4)=
0.9+2.2+1.1+0.8= 0.7+6.2+3.3= 2.6+0.7+3.3=
2.7+0.4+1.6= 0.5+1.1+3.5+0.9= 1.8+3.7+0.2=
5.5+0.4+1.5+0.6= 4.7+2.1+0.9= 5.4+0.2+3.8=
8-2.3-1.7= 6-3.5-2.5= 9-3.4-0.6=
4.6-0.9-0.9= 8.4-0.5-0.5= 4-0.3-0.7=
2.5-0.7+0.5= 6.2+4.5-0.2= 7.6-0.8+0.4=
3.9+1.7-0.9= 3.8-0.9+0.2= 3.5+2.9-0.5=
7.3-4.4+0.7= 1.9+2.5-0.9= 4.4-3.9+0.6=
0.8+0.9+0.2= 1.4+（0.5+0.6）= 2.8+（0.4+0.2）=
2.8-（0.8+0.3）= 5.3-（1.3-0.5）= 1.7-（0.7+0.6）=
4.1+（0.9+0.4）= 2.7+（0.3+0.8）= 4.5+2.6+2.5=
3.4-1.4-0.6= 3.1-（2.1+0.3）= 6.9-（1.9-0.1）=
5.4+（0.6+1.7）= 4.9+1.1+3.3= 3.2+1.6+0.8=
1.9-（0.9+0.4）= 6.2-3.2-0.8= 3.33×100=
0.3+（0.6-0.2）= 0.9-（0.3+0.5）= 0.2+（0.7-0.4）=
0.4-（0.2+0.1）= 0.5+（0.5-0.1）= 2.4-（0.3+0.1）=
0.7+（0.6-0.2）= 1.6-（0.4+0.3）= 0.6-（0.8-0.5）=
1.3-（0.5+0.3）= 1.6-（0.8+0.4）= 1.5-（0.6+0.2）=
0.7+(0.4-0.1)= 1.4-（0.2+0.3）= 0.8-0.7+0.2=
1-(0.3+0.4)= 4+(1.2-0.6)= 3+(1.4-0.7)=
2.2-(0.5+0.7)= 0.7+(0.7-0.3)= 1.3-(0.5+0.2)=
65+37×0= 5.5+2.81+4.5= 25×4÷25×4＝
2.8+58×0= 5.5+4.52+4.5= 100×3÷100×3＝
6.8+58×0= 7.5+5.52+2.5= 50-25÷5＝
44×12-88= 89×32+89×68= 6.91-3.4+5.09= 125×24= 75+360÷（20-5）= 1880-（59+21）×12=
（75+240）÷（20-5）= 25×（40+4）= 64.56-(8.2+4.56)=
（180+120）÷5= 1.7+0.34+3.3= 75×25×4=
250-250÷5= 70+50÷50+70= 72×101-72=
235×28-35×28= = 18.6-3.47-0.53=
5.1+4.68+0.9+1.32= 198+57+102+43=
1.77+3.62-0.62= 3.6+0.18-2.64=
157×49+157×51= 8.36-2.64-1.37=
355+260+140+245=645-180-245=
4×60×50×8= 35×8+35×6-4×35=
382×101-382= 13.7+0.98+0.02+4.3=
400道太多了，我只有300道，应该吧。。。
直接下文档好了，上面是给你看内容的
2.56-95+126=87
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=3500
先练着吧，一百道也不少了，熟练度这么练下来也不错了！
满意的话请采纳好么亲O(∩_∩)O哈哈~
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
11/14-3/14+1/8
=4.05-(2.8+0.7)
=0.55
4.05-2.8-0.7
=4.05-(2.8+0.7)
=0.55
212+198
=(200+12)+(100+98)
=200+12+100+98
=12+98+100+200
=110+100+200
=410
13.75-(3.75+6.48)
=13.75-3.75-6.48
=10-6.48
=3.52
（0.75*42.7+57.3-0.573*25）/3*7972
=(0.75*42.7+57.3*1-57.3*0.25)/3*7972
=[0.75*42.7+57.3(1-0.25)]/3*7972
=[0.75*42.7+57.3*0.75]/3*7972
=[(42.7+57.3)*0.75]/3*7972
=75/3*7972
=25*7972
=199300
3.45*0.6*2.8=3.45×2.8×0.6=5.796
4.02＋5.4＋0.98
=4.02+0.98+5.4
=5+5.4
=10.4
5.17－1.8－3.2
=5.17-（1.8+3.2）
=5.17-5
=0.17
13.75－(3.75＋6.48)
=13.75-3.75-6.48
=3.52
33*145+33*55
=(145+55)*33
=200*33
=6600
369*136-36*369
=100*369
=36900
193*51+193*49
=100*193
=19300
25*32
=25*4*8
=800
79*16+79*78+79*6
=(16+78+6)*79
=100*79
=7900
25*32
=25*4*8
=800
193*51+193*49
=100*193
=19300
369*136-36*369
=100*369
=36900
33*145+33*55
=(145+55)*33
=200*33
=6600
/ =除号 *=乘号
