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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)
(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.
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