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计算(1)-10+8÷(-2)2-(-4)×(-3)(2)534−(−423)−2.75+(−723)(3)(−5)÷(−127)×45×(−214)÷7(4)−0.252÷(−12)3÷(−1)100+(138+213−3.75)×12(5)2x+3y-[4x-(3x-y)](6)(5a2-2a+3)-(1-2a+a2)+3(
题目详情
计算
(1)-10+8÷(-2)2-(-4)×(-3)
(2)5
−(−4
)−2.75+(−7
)
(3)(−5)÷(−1
)×
×(−2
)÷7
(4)−0.252÷(−
)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
2
5
−(−4
)−2.75+(−7
)
(3)(−5)÷(−1
)×
×(−2
)÷7
(4)−0.252÷(−
)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
3 3 4 4
2 2 3 3
2 2 3 3
(−5)÷(−1
)×
×(−2
)÷7
(4)−0.252÷(−
)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
2 2 7 7
4 4 5 5
1 1 4 4
−0.252÷(−
)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)52÷(−
)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)52÷(−
)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)2÷(−
)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
1 1 2 2 )3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2))3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)3÷(−1)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2))100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2))100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)100+(1
+2
−3.75)×12
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
3 3 8 8
1 1 3 3
222
(1)-10+8÷(-2)2-(-4)×(-3)
(2)5
3 |
4 |
2 |
3 |
2 |
3 |
(3)(−5)÷(−1
2 |
7 |
4 |
5 |
1 |
4 |
(4)−0.252÷(−
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
2
5
3 |
4 |
2 |
3 |
2 |
3 |
(3)(−5)÷(−1
2 |
7 |
4 |
5 |
1 |
4 |
(4)−0.252÷(−
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
3 |
4 |
2 |
3 |
2 |
3 |
(−5)÷(−1
2 |
7 |
4 |
5 |
1 |
4 |
(4)−0.252÷(−
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
2 |
7 |
4 |
5 |
1 |
4 |
−0.252÷(−
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)52÷(−
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)52÷(−
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)2÷(−
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
1 |
2 |
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2))3÷(−1)100+(1
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)3÷(−1)100+(1
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2))100+(1
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2))100+(1
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)100+(1
3 |
8 |
1 |
3 |
(5)2x+3y-[4x-(3x-y)]
(6)(5a2-2a+3)-(1-2a+a2)+3(-1+3a-a2)
3 |
8 |
1 |
3 |
222
▼优质解答
答案和解析
(1)原式=-10+8÷4-12=-10+2-12=-20;(2)原式=(534-234)+(423-723)=3-3=0;(3)原式=-5×(-79)×45×(-94)×17=-1;(4)原式=-116×(-8)×1+118×12+73×12-154×12=12+332+28-45=17+28-45=0;(5)...
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