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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)
7
9
÷
11
5
+
2
9
×
5
11

(4)12.125-(12.125-8.6)
计算下面各题
(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)
计算下面各题
(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)
计算下面各题
(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)
计算下面各题
(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
7 9 7 7 9 9
11
5
+
2
9
×
5
11

(4)12.125-(12.125-8.6)
11
5
11 5 11 11 5 5
2
9
×
5
11

(4)12.125-(12.125-8.6)
2
9
2 9 2 2 9 9
5
11

(4)12.125-(12.125-8.6)
5
11
5 11 5 5 11 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)
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)1.25×2.4
=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)1.25×2.4
=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)1.25×2.4
=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)1.25×2.4
=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
7 9 7 7 7 9 9 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
11 5 11 11 11 5 5 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
2 9 2 2 2 9 9 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
5 11 5 5 5 11 11 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
7 9 7 7 7 9 9 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
5 11 5 5 5 11 11 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
2 9 2 2 2 9 9 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
5 11 5 5 5 11 11 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
7 9 7 7 7 9 9 9 +
2
9
)×
5
11

=
5
11


(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
2
9
2 9 2 2 2 9 9 9 )×
5
11

=
5
11


(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5
11
5 11 5 5 5 11 11 11
=
5
11


(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.
5
11
5 11 5 5 5 11 11 11 ;

(4)12.125-(12.125-8.6)
=12.125-12.125+8.6
=8.6.