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计算(1)[(0.05+14)÷0.25−40%]×18(2)[412−(0.5+13)÷527]×0.125(3)6.4×1.3+1÷1013+1310×135(4)7.4×54+125%×2.5+54÷10.

题目详情
计算
(1)[(0.05+
1
4
)÷0.25−40%]×
1
8

(2)[4
1
2
−(0.5+
1
3
5
27
]×0.125
(3)6.4×1.3+1÷
10
13
+
13
10
×
13
5

(4)7.4×
5
4
+125%×2.5+
5
4
÷10.

[(0.05+
1
4
)÷0.25−40%]×
1
8

(2)[4
1
2
−(0.5+
1
3
5
27
]×0.125
(3)6.4×1.3+1÷
10
13
+
13
10
×
13
5

(4)7.4×
5
4
+125%×2.5+
5
4
÷10.
1
4
1144
1
8
1188
[4
1
2
−(0.5+
1
3
5
27
]×0.125
(3)6.4×1.3+1÷
10
13
+
13
10
×
13
5

(4)7.4×
5
4
+125%×2.5+
5
4
÷10.
1
2
1122
1
3
1133
5
27
552727
6.4×1.3+1÷
10
13
+
13
10
×
13
5

(4)7.4×
5
4
+125%×2.5+
5
4
÷10.
10
13
10101313
13
10
13131010
13
5
131355
7.4×
5
4
+125%×2.5+
5
4
÷10.
5
4
5544
5
4
5544
▼优质解答
答案和解析
(1)[(0.05+14)÷0.25−40%]×18=[(0.05+0.25)÷0.25-40%]×18,=[0.3÷0.25-40%]×18,=[1.2-0.4]×18,=0.8×18,=0.1;(2)[412−(0.5+13)÷527]×0.125=[412-(12+13)×275]×0.125,=[412-56×275]×0.125...