题目内容

18-(1.75+1.25×2.4)＝


  1. A.
    4
  2. B.
    13.25
  3. C.
    12.25
  4. D.
    5
B
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相关题目
在“○”填上“＞”，“＜”或“=”．
43×0.98○0.43；    3.75÷0.15○3.75；      1.18÷1.2○1.18；     0.99÷0.1○99×0.1．
直接写出得数
7
20
×
5
7
=
2
5
÷
1
4
=		 20×
4
5
=		 1÷8×
1
8
=		 1-75%+25%=
8÷
1
4
=
3
4
-
1
3
=
5
24
×
3
5
=
3
4
÷6=		 (
1
3
-
1
4
)×12=
（2007?河池）直接写出得数
100-52=
1.75+1.5=
1
2
+
1
3
=
3
5
-
1
2
=
8×25=
4.2÷0.6=
7
8
-
3
7
+
1
8
=
1
2
-
1
2
×
1
5
=
12-
4
9
-
5
9
=
51×98≈
7×5
5
14
=
5
8
÷
2
3
=
1
6
+
2
5
=
2
3
×
3
4
=		 1+
1
2
-0.4=
1
4
+0.75=
1
3
+
2
9
=
6
7
÷9=
1
4
+
1
2
=
5
6
×0.4=		 4÷
8
9
=
1
9
×
1
9
=
（2+
2
5
）×（1+
1
4
）=
2
3
×9=
6
9
+
1
6
=
4÷
1
3
=
1
2
+1
1
3
=		 5-（2+
3
8
）=
4.5÷
1
4
=		 39×
4
13
=		 11×（10+
1
11
）=
11+（3+
2
3
）=
3
5
×
5
6
=		 8×
3
4
=
12-（6+
3
4
）=		 1÷（1+
3
4
）=		 20÷20%=
1÷0.01= 1.12= 9.9÷（1+
4
5
）=
81÷
5
9
=		 1.65-0÷1.65=
2
3
×
4
9
×
1
2
=
5-1.4-1.6= （0.18+0.9）÷9= 8×
3
10
×1.25=
1.25×0.16×8=
5
8
+7.3÷10%=
5
8
+9-0.2=
5.08-0.74-1.26=
1
4
×0.2=		 1-.0375÷
5
8
=
8÷0.5+
1
4
×（1+
1
4
）=		 （
1
12
+
5
6
）×24=		 10（3+
1
7
）÷（3+
1
7
）=
（3+
1
2
+5+
1
3
+2+
1
2
）-（5+
1
3
）=
2
5
+
1
5
÷
2
5
+
1
5
=		 1-
3
10
-
2
5
=
3-（2+
4
9
）+（2+
4
9
）=
3
8
-
3
8
÷3=		 0×（3+
2
9
）+（1+
2
5
）=
1
6
+
1
7
-
1
6
+
1
7
=		 0.125×64×0.125=
5
4
×8+8×
1
4
=
3
8
+
3
4
×16=
5
9
-
5
6
+
4
9
=

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