早教吧作业答案频道 -->数学-->
计算下面各题(1)1.25×2.4(2)95×99+95(3)79÷115+29×511(4)12.125-(12.125-8.6)
题目详情
计算下面各题 (1)1.25×2.4 (2)95×99+95 (3)
(4)12.125-(12.125-8.6) |
(1)1.25×2.4
(2)95×99+95
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
(1)1.25×2.4
(2)95×99+95
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
(1)1.25×2.4
(2)95×99+95
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
(1)1.25×2.4
(2)95×99+95
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
11 |
5 |
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
2 |
9 |
5 |
11 |
(4)12.125-(12.125-8.6)
5 |
11 |
▼优质解答
答案和解析
(1)1.25×2.4
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
÷
+
×
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6. (1)1.25×2.4
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
÷
+
×
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6. (1)1.25×2.4
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
÷
+
×
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6. (1)1.25×2.4
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
÷
+
×
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
7 9 7 7 7 9 9 9 ÷
+
×
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
11 5 11 11 11 5 5 5 +
×
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
2 9 2 2 2 9 9 9 ×
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 11 5 5 5 11 11 11
=
×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
7 9 7 7 7 9 9 9 ×
+
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 11 5 5 5 11 11 11 +
×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
2 9 2 2 2 9 9 9 ×
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 11 5 5 5 11 11 11
=(
+
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
7 9 7 7 7 9 9 9 +
)×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
2 9 2 2 2 9 9 9 )×
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 11 5 5 5 11 11 11
=
;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 11 5 5 5 11 11 11 ;
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
(1)1.25×2.4 =1.25×0.8×3 =1×3 =3; (2)95×99+95 =95×(99+1) =95×100 =9500; (3)
=
=(
=
(4)12.125-(12.125-8.6) =12.125-12.125+8.6 =8.6. |
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
=1.25×0.8×3
=1×3
=3;
(2)95×99+95
=95×(99+1)
=95×100
=9500;
(3)
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
7 |
9 |
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
11 |
5 |
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
2 |
9 |
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 |
11 |
=
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
7 |
9 |
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 |
11 |
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
2 |
9 |
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 |
11 |
=(
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
7 |
9 |
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
2 |
9 |
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 |
11 |
=
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5 |
11 |
(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
看了 计算下面各题(1)1.25×...的网友还看了以下:
要约的撤回案例分析1·6月1日,卖方向买方发出一份要约,其中规定:“本要约于7月1日之后无效。”假 2020-05-13 …
α1=(6,4,1,-1,2)α2=(1,0,2,3,-4)α3=(1,4,-9,-16,22)α 2020-06-29 …
1.7/x²-1+8/x²-2x=37-9x/x^3-x²-x+12.3/x²+x-2=x/x-1 2020-07-18 …
下面有几个方程求解一·﹙x-1/4﹚×2/5=1/2x二·1-1/2×﹙2/3x+1/2﹚=1/3 2020-07-18 …
1.420X40%/(1-40%)=?2.420X1/(1+2/5)3.(420X2/5)/(1+ 2020-07-19 …
用换元法解方程2(x2⃣️+1)/x+1)+6(x+1)/x2⃣️+1=7时,设y=多少原方程可化 2020-08-01 …
必修I·指数函数部分化简[1+2^(1/8)][1+2^(1/4)][1+2^(1/2)]快+好者 2020-08-02 …
一道数学题.甲乙两个小朋友下跳棋,他们掷骰子决定谁先走.甲用白色骰子,每个面上的点数分别是1,6,8 2020-11-22 …
计算一道数学题,(1+1/2)×(1+1/3)×(1+1/4)×(1+1/5)×(1+1/6)×(1 2020-11-30 …
2分之1:3分之1:6分之1等于几:几:几,化为最简整数比化为最简整数比0.3:0.15:0.45= 2020-12-17 …