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计算下列各题:(1)3450-450÷25×18=(2)423×118÷6310=(3)18÷2.5+135×6.5=(4)(27+35−542)÷6+413=(5)78×103−(0.2+16−17)÷1021=(6)2×21×3+4×43×5+6×65×7+8×87×9+10×109×11=

题目详情
计算下列各题:
(1)3450-450÷25×18=
(2)4
2
3
×1
1
8
÷6
3
10
=
(3)18÷2.5+1
3
5
×6.5=
(4)(
2
7
+
3
5
5
42
)÷6+4
1
3
=
(5)
7
8
×
10
3
−(0.2+
1
6
1
7
10
21
=
(6)
2×2
1×3
+
4×4
3×5
+
6×6
5×7
+
8×8
7×9
+
10×10
9×11
=


4
2
3
×1
1
8
÷6
3
10
=
(3)18÷2.5+1
3
5
×6.5=
(4)(
2
7
+
3
5
5
42
)÷6+4
1
3
=
(5)
7
8
×
10
3
−(0.2+
1
6
1
7
10
21
=
(6)
2×2
1×3
+
4×4
3×5
+
6×6
5×7
+
8×8
7×9
+
10×10
9×11
=
2
3
2233
1
8
1188
3
10
331010
18÷2.5+1
3
5
×6.5=
(4)(
2
7
+
3
5
5
42
)÷6+4
1
3
=
(5)
7
8
×
10
3
−(0.2+
1
6
1
7
10
21
=
(6)
2×2
1×3
+
4×4
3×5
+
6×6
5×7
+
8×8
7×9
+
10×10
9×11
=
3
5
3355
(
2
7
+
3
5
5
42
)÷6+4
1
3
=
(5)
7
8
×
10
3
−(0.2+
1
6
1
7
10
21
=
(6)
2×2
1×3
+
4×4
3×5
+
6×6
5×7
+
8×8
7×9
+
10×10
9×11
=
2
7
2277
3
5
3355
5
42
554242
1
3
1133
7
8
×
10
3
−(0.2+
1
6
1
7
10
21
=
(6)
2×2
1×3
+
4×4
3×5
+
6×6
5×7
+
8×8
7×9
+
10×10
9×11
=
7
8
7788
10
3
101033
1
6
1166
1
7
1177
10
21
10102121
2×2
1×3
+
4×4
3×5
+
6×6
5×7
+
8×8
7×9
+
10×10
9×11
=
2×2
1×3
2×22×21×31×3
4×4
3×5
4×44×43×53×5
6×6
5×7
6×66×65×75×7
8×8
7×9
8×88×87×97×9
10×10
9×11
10×1010×109×119×11
▼优质解答
答案和解析
(1)3450-450÷25×18,=3450-18×18,=3450-324,=3126;(2)423×118÷6310,=214÷6310,=56;(3)18÷2.5+135×6.5,=7.2+10.4,=17.6;(4)(27+35−542)÷6+413,=(3135-542)÷6+413,=161210÷6+413,=1...