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计算题:(1)(-75%)×(-21)+(-125)×34-75×(-0.24)(2)(−3212)−[514−(+317)+(−514)+(−267)](3)54×34-(-54)×12+54×(-14)(4)1-12×[3×(-23)2-(-1)4]+14÷(-12)2.(5)(-13)2÷(-1)5×
题目详情
计算题:
(1)(-75%)×(-21)+(-125)×
-75×(-0.24)
(2)(−32
)−[5
−(+3
)+(−5
)+(−2
)]
(3)54×
-(-54)×
+54×(-
)
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
-75×(-0.24)
(2)(−32
)−[5
−(+3
)+(−5
)+(−2
)]
(3)54×
-(-54)×
+54×(-
)
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
3 3 4 4
(−32
)−[5
−(+3
)+(−5
)+(−2
)]
(3)54×
-(-54)×
+54×(-
)
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
1 1 2 2
1 1 4 4
1 1 7 7
1 1 4 4
6 6 7 7
-(-54)×
+54×(-
)
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
3 3 4 4
+54×(-
)
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
1 1 2 2
)
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
1 1 4 4
×[3×(-
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
1 1 2 2
)2-(-1)4]+
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
2 2 3 3 24
÷(-
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
1 1 4 4
)2.
(5)(-
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
1 1 2 2 2
)2÷(-1)5×(-3)2-(1
+2
-3
)×(-24).
1 1 3 3 252
+2
-3
)×(-24).
3 3 8 8
-3
)×(-24).
1 1 3 3
)×(-24).
3 3 4 4
(1)(-75%)×(-21)+(-125)×
3 |
4 |
(2)(−32
1 |
2 |
1 |
4 |
1 |
7 |
1 |
4 |
6 |
7 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
3 |
4 |
(2)(−32
1 |
2 |
1 |
4 |
1 |
7 |
1 |
4 |
6 |
7 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
3 |
4 |
(−32
1 |
2 |
1 |
4 |
1 |
7 |
1 |
4 |
6 |
7 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
2 |
1 |
4 |
1 |
7 |
1 |
4 |
6 |
7 |
3 |
4 |
1 |
2 |
1 |
4 |
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
3 |
4 |
1 |
2 |
1 |
4 |
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
2 |
1 |
4 |
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
4 |
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
2 |
3 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
4 |
1 |
2 |
(5)(-
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
2 |
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
3 |
8 |
1 |
3 |
3 |
4 |
1 |
3 |
3 |
4 |
3 |
4 |
▼优质解答
答案和解析
(1)(-75%)×(-21)+(-125)×
-75×(-0.24)
=0.75×21-125×0.75+0.75×24
=0.75×(21-125+24)
=0.75×(-80)
=-60;
(2)(−32
)−[5
−(+3
)+(−5
)+(−2
)]
=-32
-[(5
-5
)-(3
+2
)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
3 3 34 4 4-75×(-0.24)
=0.75×21-125×0.75+0.75×24
=0.75×(21-125+24)
=0.75×(-80)
=-60;
(2)(−32
)−[5
−(+3
)+(−5
)+(−2
)]
=-32
-[(5
-5
)-(3
+2
)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
(−32
1 1 12 2 2)−[5
1 1 14 4 4−(+3
1 1 17 7 7)+(−5
1 1 14 4 4)+(−2
6 6 67 7 7)]
=-32
-[(5
-5
)-(3
+2
)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2-[(5
-5
)-(3
+2
)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 14 4 4-5
)-(3
+2
)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 14 4 4)-(3
+2
)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 17 7 7+2
)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
6 6 67 7 7)]
=-32
-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2-[0-6]
=-32
+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2+6
=-26
;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2;
(3)54×
-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
3 3 34 4 4-(-54)×
+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2+54×(-
)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 14 4 4)
=54×(
+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
3 3 34 4 4+
-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2-
)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 14 4 4)
=54×1
=54;
(4)1-
×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2×[3×(-
)2-(-1)4]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
2 2 23 3 3)22-(-1)44]+
÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 14 4 4÷(-
)2
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2)22
=1-
×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 12 2 2×[3×
-1]+
÷
=1-
×[
-1]+1
=1-
×
4 4 49 9 9-1]+
÷
=1-
×[
-1]+1
=1-
×
1 1 14 4 4÷
=1-
×[
-1]+1
=1-
×
1 1 14 4 4
=1-
×[
-1]+1
=1-
×
1 1 12 2 2×[
-1]+1
=1-
×
4 4 43 3 3-1]+1
=1-
×
1 1 12 2 2×
3 |
4 |
=0.75×21-125×0.75+0.75×24
=0.75×(21-125+24)
=0.75×(-80)
=-60;
(2)(−32
1 |
2 |
1 |
4 |
1 |
7 |
1 |
4 |
6 |
7 |
=-32
1 |
2 |
1 |
4 |
1 |
4 |
1 |
7 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
3 |
4 |
=0.75×21-125×0.75+0.75×24
=0.75×(21-125+24)
=0.75×(-80)
=-60;
(2)(−32
1 |
2 |
1 |
4 |
1 |
7 |
1 |
4 |
6 |
7 |
=-32
1 |
2 |
1 |
4 |
1 |
4 |
1 |
7 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
1 |
4 |
1 |
7 |
1 |
4 |
6 |
7 |
=-32
1 |
2 |
1 |
4 |
1 |
4 |
1 |
7 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
7 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
4 |
1 |
4 |
1 |
7 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
4 |
1 |
7 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
7 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
6 |
7 |
=-32
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
=-32
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
=-26
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
(3)54×
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
3 |
4 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
4 |
=54×(
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
3 |
4 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
4 |
=54×1
=54;
(4)1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
2 |
3 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
4 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
4 |
9 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
4 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
4 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
4 |
3 |
=1-
1 |
2 |
4 |
3 |
=1-
1 |
2 |
1 |
2 |
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