内容正文:
49
6
.!"
(
/
)
!
1
./
¦)*P=§l
(
+,
5
!-./
)
1
4+
1
3=
10
11÷12=
7
9÷
7
15=
4×35=
14×37=
8
9×
5
32=
15×35=
4.9-32=
8
9÷4=
9
13×
1
3=
5-57=
9
5×
2
3=
5
9×0.6=
19
12÷
11
24=
0.3+910=
5
18×
5
3=
5
4×
12
5=
18
17÷
9
34=
39×413=
1
4×0.4=
3÷95=
4
25÷
1
2=
5÷56=
7
5+
17
10=
! "#
6
$%&
24
$%'()* *$% +
(
+,
10
!-./
)
10
3×
15
34×
17
25
7
8-
3
10×
5
24
5
6÷
3
14÷
12( )7
10
3×
9
16+
2
3×
9
16
13
20×101-
13
20 86×
85
87
! &
6
$%'()* *$% +
50
!
2
./
¦)¨
(1)
(
+,
5
!-./
)
1.25×16=
3
4×
1
4=
15
11÷25=
3.14+13=
5
12×
6
5=
15÷103=
90×3.14=
4
11×
12
5=
5
48÷
1
6=
16+6.28=
3.8×219=
1.6÷835=
©lª¦)*
,
q«¬P¦)b®"Y3*
0.02= 0.36= 0.005= 4.83=
3
5=
1
4=
3
10=
6
7≈
! &
20
$%'()* *$% +
(
+,
10
!-./
)
2
19×
8
25+
17
25÷
19
2
19
15-
65%+4( )15 14×125×125×8
7
5+( )25 ×49-14 72÷79÷114 20%×58-18×20%
! &
6
$%'()* *$% +
51
!
3
./
¦)¨
(2)
(
+,
5
!-./
)
6×10%=
6×40%=
5
32×4=
120×6%=
45×2%=
45÷53=
40×3%=
88×50%=
1.2÷37=
70×0.5%=
350×20%=
5
4×3.6=
¯L°¦)*©lª)*
15%= 40%=
0.3%= 54%=
102%= 134%=
¯L°¦)*©lª3*
0.5%= 8%=
14%= 80%=
96%= 152%=
! &
24
$%'()* *$% +
(
+,
10
!-./
)
1
3-( )14 ÷25% 25%×38+75%÷83 48%×56+4÷85
60%x+25=40 (1-25%)x=36 x+30%x=52
! &
6
$%'()* *$% +
52
!
4
./
¦)*Pyz
(1)
(
+,
5
!-./
)
6÷50%=
80÷5%=
80%÷59=
75%×815=
3
4+
1
8=
9
11÷
4
9=
9÷75%=
50×8%=
60%×79=
5
7×84%=
7
12×
2
7=
7-78=
87.5%×2=
1+25%=
62.5%-724=
2
3-15%=
2
5×2=
2
3÷
5
6=
36×25%=
85%-26%=
5
16+37.5%=
40%×59=
2.8÷74=
30
7÷
3
7=
! "#
6
$%&
24
$%'()* *$% +
(
+,
10
!-./
)
4.5×(1+50%) (8+30%)×5.4 6.6×27%×0.4
5
7÷[32×(1-37.5%)] (84%÷3+8.72)÷
9
10
1
10×
2
3÷
80%-( )13
! &
6
$%'()* *$% +
53
!
5
./
¦)*Pyz
(2)
(
+,
5
!-./
)
20×3%=
90%+60%=
3
7-20%=
4
9×81%=
16
17×34%=
16
19×19%=
5×40%=
25%×4=
13×7%=
48÷16%=
82÷41%=
17
36×
72
85=
82÷4%=
24%÷0.8%=
39÷13%=
1.2×5%=
3×30%=
37.5%÷14=
1÷2=( )%
6÷10=( )%
2
25×
1
4=( )%
2
5×
1
10=( )%
80×(1+25%)=
20×(1+10%)=
! "#
6
$%&
24
$%'()* *$% +
(
+,
10
!-./
)
81×(35%+15%) 32×12.5%×25% 8.5×0.75+7.5×75%
87.5%×23+78 99%+91×
2
13-( )17 54-2×( )38 ÷12.5%
! &
6
$%'(