9= 0.27= 1.43= 3.01= 查看更多

 

题目列表(包括答案和解析)

8.1×12.5 27.36-1.43-4.36-4.57
0.1-0.1×[0.01÷( 1-0.9)] 2.3×0.48+0.48×8.7-0.48.

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3.3×2= 2.4×0.5= 0.6×0.9= 0.2×0.3=
0.39+0.61= 10-7.2= 0.88+1.1= 0.75×4=
11-1.5= 4.48-4= 7.8-0.8= 2.8×5=
4×0.3= 4×0.25= 3.2+1.6= 10.6-5.2=
0.32+1.68= 8×125= 7.28+7= 0.8+39.2=
43+0.01= 0.4×2= 1.5×6= 1×0.04=
1.53-0.5= 1.5-0.6= 0.3+1.5= 95÷5=
0.65+4.35= 14-7.4= 11.2-9.8= 4.4×2=
35-25= 56-26= 45+15= 35-15=
38+28= 15+25= 12+12= 47-27=
13+23= 1-12= 14+14= 212+312=
14-0= 610-510= 1-23= 0+56=
78-38= 29+29= 58-48= 15+45=
0.9×125×8= 5.75+1.37+4.25= 0.43×10+5.7= 62-2.8-1.2=
2.7×4+2.7×6= 0.25×0.5×4=

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3.3×2=2.4×0.5=0.6×0.9=0.2×0.3=
0.39+0.61=10-7.2=0.88+1.1=0.75×4=
11-1.5=4.48-4=7.8-0.8=2.8×5=
4×0.3=4×0.25=3.2+1.6=10.6-5.2=
0.32+1.68=8×125=7.28+7=0.8+39.2=
43+0.01=0.4×2=1.5×6=1×0.04=
1.53-0.5=1.5-0.6=0.3+1.5=95÷5=
0.65+4.35=14-7.4=11.2-9.8=4.4×2=
35-25=56-26=45+15=35-15=
38+28=15+25=12+12=47-27=
13+23=1-12=14+14=212+312=
14-0=610-510=1-23=0+56=
78-38=29+29=58-48=15+45=
0.9×125×8=5.75+1.37+4.25=0.43×10+5.7=62-2.8-1.2=
2.7×4+2.7×6=0.25×0.5×4=

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口算
(1)70×80=
5600
5600
        3.7×0.5=
1.85
1.85
     3.2×100=
320
320
      8.9-3.8=
5.1
5.1

(2)3.8+2.5+6.2=
12.5
12.5
    12-6.2-3.8=
2
2
   1.7+0.43+3.3=
5.43
5.43
    3.4-1.5-0.5=
1.4
1.4

(3)
8
9
+
1
9
--
2
7
=
5
7
5
7
     1.4×5=
7
7
    650-470=
180
180
    79+2.1=
81.1
81.1
    
(4)3.14×3=
9.42
9.42
      6.7+3.4=
10.1
10.1
   2.01×0.4=
0.804
0.804
   
6
13
+
7
13
=
1
1

(5)3.99+5.2=
9.19
9.19
   23+6.68=
29.68
29.68
   7×0.08=
0.56
0.56
    0.25×0.4=
0.1
0.1

(6)22×0.2=
4.4
4.4
   99.9+1=
100.9
100.9
   0.72÷6=
0.12
0.12
   3.9÷1.3=
3
3

(7)0.8×0.8=
0.64
0.64
   5.88+3.12=
9
9
   1.9+2.1=
4
4
   26÷2.6=
10
10
  
(8)340÷17=
20
20
   9.3÷0.3=
31
31
  13×4=
52
52
   3.6×5=
18
18

(9)1.5×4=
6
6
   20×16=
320
320
   28×3=
84
84
   3.2÷4=
0.8
0.8
 
(10)0.28×100=
28
28
   3200÷1000=
3.2
3.2
   0.5×100=
50
50
   4×0.125=
0.5
0.5

(11)340+120=
460
460
    
1
4
+
1
2
=
3
4
3
4
   2.5÷5=
0.5
0.5
   4.95×10=
49.5
49.5
   
(12)12-
1
2
-
1
2
=
11
11
   1÷0.25=
4
4
  5×0.13=
0.65
0.65
   12×0.05=
0.6
0.6

(13)3.08÷0.1=
30.8
30.8
   0.35×6=
2.1
2.1
   25÷0.5=
50
50
   1.5×3=
4.5
4.5

(14)4.3-2.7=
1.6
1.6
   8.1÷0.9=
9
9
   12÷1.2=
10
10
   0.48÷6=
0.08
0.08

(15)2.6÷26=
0.1
0.1
  0.72×5=
3.6
3.6
     4.8+3.2=
8
8
   5.7÷0.3=
19
19

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0.06×0.1= 2.37×0.2= 4×0.63= 2.5×0.4=
1.47×20= 4.27×0.2= 7.5×2= 0.01×0.01=
3.68.+6.32= 11.43-0.43= 9.06×10= 9×0.01=
0.75÷1.5= 0.019÷0.01= 0.025÷5= 0.48÷12=
6.4÷0.8= 480÷60= 0.5÷0.05= 9.01÷0.01=
3÷0.01=

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