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能简便运算的简便运算.1100-63.58-36.421.25×26×8815÷16-715×658×0.65+42×35%811-914+311-514(316+124)×8+23
题目详情
能简便运算的简便运算. 1100-63.58-36.42 | 1.25×26×8 |
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58×0.65+42×35% |
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▼优质解答
答案和解析
(1)1100-63.58-36.42
=1100-(63.58+36.42)
=1100-100
=1000;
(2)1.25×26×8
=1.25×8×26
=10×26
=260;
(3)
÷
-
×6
=
×6-
×6
=(
-
)×6
=
×6
=
;
(4)58×0.65+42×35%
=37.7+14.7
=52.4;
(5)
-
+
-
=(
+
)-(
+
)
=1-1
=0;
(6)(
+
)×8+
=
×8+
×8+
=
+
+
=
+(
+
)
=
=1100-(63.58+36.42)
=1100-100
=1000;
(2)1.25×26×8
=1.25×8×26
=10×26
=260;
(3)
8 |
15 |
1 |
6 |
7 |
15 |
=
8 |
15 |
7 |
15 |
=(
8 |
15 |
7 |
15 |
=
1 |
15 |
=
2 |
5 |
(4)58×0.65+42×35%
=37.7+14.7
=52.4;
(5)
8 |
11 |
9 |
14 |
3 |
11 |
5 |
14 |
=(
8 |
11 |
3 |
11 |
9 |
14 |
5 |
14 |
=1-1
=0;
(6)(
3 |
16 |
1 |
24 |
2 |
3 |
=
3 |
16 |
1 |
24 |
2 |
3 |
=
3 |
2 |
1 |
3 |
2 |
3 |
=
3 |
2 |
1 |
3 |
2 |
3 |
=
|
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