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计算.(1)0.75×3.66-34×2.66;(2)(-12)2001+(12)2000;(3)2×562+8×56×22+2×442.
题目详情
计算.
(1)0.75×3.66-
×2.66;
(2)(-
)2001+(
)2000;
(3)2×562+8×56×22+2×442.
×2.66;
(2)(-
)2001+(
)2000;
(3)2×562+8×56×22+2×442.
3 3 4 4
)2001+(
)2000;
(3)2×562+8×56×22+2×442.
1 1 2 2 2001
)2000;
(3)2×562+8×56×22+2×442.
1 1 2 2 2000
22
(1)0.75×3.66-
3 |
4 |
(2)(-
1 |
2 |
1 |
2 |
(3)2×562+8×56×22+2×442.
3 |
4 |
(2)(-
1 |
2 |
1 |
2 |
(3)2×562+8×56×22+2×442.
3 |
4 |
1 |
2 |
1 |
2 |
(3)2×562+8×56×22+2×442.
1 |
2 |
1 |
2 |
(3)2×562+8×56×22+2×442.
1 |
2 |
22
▼优质解答
答案和解析
(1)原式=0.75×(3.66-2.66)
=0.75×1
=0.75;
(2)原式=-
×(
)2000+(
)2000
=(-
+1)×(
)2000
=(
)2001;
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 1 12 2 2×(
)2000+(
)2000
=(-
+1)×(
)2000
=(
)2001;
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 1 12 2 2)20002000+(
)2000
=(-
+1)×(
)2000
=(
)2001;
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 1 12 2 2)20002000
=(-
+1)×(
)2000
=(
)2001;
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 1 12 2 2+1)×(
)2000
=(
)2001;
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 1 12 2 2)20002000
=(
)2001;
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 1 12 2 2)20012001;
(3)原式=2×(5622+4×56×22+4422)
=2×(56+44)22
=2×10000
=20000.
=0.75×1
=0.75;
(2)原式=-
1 |
2 |
1 |
2 |
1 |
2 |
=(-
1 |
2 |
1 |
2 |
=(
1 |
2 |
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 |
2 |
1 |
2 |
1 |
2 |
=(-
1 |
2 |
1 |
2 |
=(
1 |
2 |
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 |
2 |
1 |
2 |
=(-
1 |
2 |
1 |
2 |
=(
1 |
2 |
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 |
2 |
=(-
1 |
2 |
1 |
2 |
=(
1 |
2 |
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 |
2 |
1 |
2 |
=(
1 |
2 |
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 |
2 |
=(
1 |
2 |
(3)原式=2×(562+4×56×22+442)
=2×(56+44)2
=2×10000
=20000.
1 |
2 |
(3)原式=2×(5622+4×56×22+4422)
=2×(56+44)22
=2×10000
=20000.
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