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计算下面各题.(能简算的要简算)43×512+53×512(532×1516)÷151638×34+58×75%(1+25%)÷(1-25%)5×43+13413÷65%×413×65%
题目详情
计算下面各题.(能简算的要简算)
| (
|
| ||||||||||||||||||||
(1+25%)÷(1-25%) | 5×
| 4
|
计算下面各题.(能简算的要简算)
| (
|
| ||||||||||||||||||||
(1+25%)÷(1-25%) | 5×
| 4
|
4 |
3 |
5 |
12 |
5 |
3 |
5 |
12 |
5 |
32 |
15 |
16 |
15 |
16 |
3 |
8 |
3 |
4 |
5 |
8 |
4 |
3 |
5 |
12 |
5 |
3 |
5 |
12 |
4 |
3 |
5 |
12 |
5 |
3 |
5 |
12 |
4 |
3 |
5 |
12 |
5 |
3 |
5 |
12 |
5 |
32 |
15 |
16 |
15 |
16 |
5 |
32 |
15 |
16 |
15 |
16 |
5 |
32 |
15 |
16 |
15 |
16 |
15 |
16 |
3 |
8 |
3 |
4 |
5 |
8 |
3 |
8 |
3 |
4 |
5 |
8 |
3 |
8 |
3 |
4 |
5 |
8 |
4 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
4 |
3 |
1 |
3 |
4 |
3 |
1 |
3 |
4 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
▼优质解答
答案和解析
(1)
×
+
×
,
=(
+
)×
,
=3×
,
=
;
(2)(
×
)÷
,
=(
×
)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
4 4 43 3 3×
5 5 512 12 12+
5 5 53 3 3×
5 5 512 12 12,
=(
+
)×
,
=3×
,
=
;
(2)(
×
)÷
,
=(
×
)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
(
4 4 43 3 3+
5 5 53 3 3)×
5 5 512 12 12,
=3×
,
=
;
(2)(
×
)÷
,
=(
×
)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 512 12 12,
=
;
(2)(
×
)÷
,
=(
×
)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 54 4 4;
(2)(
×
)÷
,
=(
×
)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 532 32 32×
15 15 1516 16 16)÷
,
=(
×
)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
15 15 1516 16 16,
=(
×
)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 532 32 32×
15 15 1516 16 16)×
,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
16 16 1615 15 15,
=
×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 532 32 32×(
×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
15 15 1516 16 16×
),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
16 16 1615 15 15),
=
×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 532 32 32×1,
=
;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 532 32 32;
(3)
×
+
×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
3 3 38 8 8×
3 3 34 4 4+
5 5 58 8 8×75%,
=
×0.75+
×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
3 3 38 8 8×0.75+
5 5 58 8 8×0.75,
=(
+
)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
(
3 3 38 8 8+
5 5 58 8 8)×0.75,
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
5 5 53 3 3;
(5)5×
+
,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
4 4 43 3 3+
1 1 13 3 3,
=
+
,
=7;
(6)4
÷65%×4
×65%,
=(4
20 20 203 3 3+
,
=7;
(6)4
÷65%×4
×65%,
=(4
1 1 13 3 3,
=7;
(6)4
÷65%×4
×65%,
=(4
4
1 1 13 3 3÷65%×4
×65%,
=(4
4
1 1 13 3 3×65%,
=(4
4
举报
问题解析 问题解析
(1)根据乘法分配律进行计算;(2)根据乘法结合律进行计算;(3)根据乘法分配律进行计算;(4)先算加法和减法,再算除法;(5)先算乘法,再算加法;(6)根据乘法交换律和结合律进行计算. (1)根据乘法分配律进行计算;(2)根据乘法结合律进行计算;(3)根据乘法分配律进行计算;(4)先算加法和减法,再算除法;(5)先算乘法,再算加法;(6)根据乘法交换律和结合律进行计算.
名师点评 名师点评
本题考点: 本题考点:
分数的四则混合运算;运算定律与简便运算;百分数的加减乘除运算. 分数的四则混合运算;运算定律与简便运算;百分数的加减乘除运算.
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(1)
4 |
3 |
5 |
12 |
5 |
3 |
5 |
12 |
=(
4 |
3 |
5 |
3 |
5 |
12 |
=3×
5 |
12 |
=
5 |
4 |
(2)(
5 |
32 |
15 |
16 |
15 |
16 |
=(
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
4 |
3 |
5 |
12 |
5 |
3 |
5 |
12 |
=(
4 |
3 |
5 |
3 |
5 |
12 |
=3×
5 |
12 |
=
5 |
4 |
(2)(
5 |
32 |
15 |
16 |
15 |
16 |
=(
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
4 |
3 |
5 |
3 |
5 |
12 |
=3×
5 |
12 |
=
5 |
4 |
(2)(
5 |
32 |
15 |
16 |
15 |
16 |
=(
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
5 |
12 |
=
5 |
4 |
(2)(
5 |
32 |
15 |
16 |
15 |
16 |
=(
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
5 |
4 |
(2)(
5 |
32 |
15 |
16 |
15 |
16 |
=(
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
5 |
32 |
15 |
16 |
15 |
16 |
=(
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
15 |
16 |
=(
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
16 |
15 |
=
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
5 |
32 |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
15 |
16 |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
16 |
15 |
=
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
5 |
32 |
=
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
5 |
32 |
(3)
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
3 |
8 |
3 |
4 |
5 |
8 |
=
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
3 |
8 |
5 |
8 |
=(
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
3 |
8 |
5 |
8 |
=1×0.75,
=0.75;
(4)(1+25%)÷(1-25%),
=1.25÷0.75,
=
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
5 |
3 |
(5)5×
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
4 |
3 |
1 |
3 |
=
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
举报
![]()
![]() ![]() |
20 |
3 |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
1 |
3 |
=7;
(6)4
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
1 |
3 |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
1 |
3 |
=(4
作业帮用户
2017-10-16
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![]()
![]() ![]() |
作业帮用户
2017-10-16
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![]()
![]() ![]() |
作业帮用户
2017-10-16
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- 问题解析
- (1)根据乘法分配律进行计算;(2)根据乘法结合律进行计算;(3)根据乘法分配律进行计算;(4)先算加法和减法,再算除法;(5)先算乘法,再算加法;(6)根据乘法交换律和结合律进行计算.
- 名师点评
-
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算;百分数的加减乘除运算.


作业帮用户
2017-10-16
举报

- 问题解析
- (1)根据乘法分配律进行计算;(2)根据乘法结合律进行计算;(3)根据乘法分配律进行计算;(4)先算加法和减法,再算除法;(5)先算乘法,再算加法;(6)根据乘法交换律和结合律进行计算.
- 名师点评
-
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算;百分数的加减乘除运算.


作业帮用户
2017-10-16
举报
作业帮用户作业帮用户
2017-10-162017-10-16
举报



- 问题解析
- (1)根据乘法分配律进行计算;(2)根据乘法结合律进行计算;(3)根据乘法分配律进行计算;(4)先算加法和减法,再算除法;(5)先算乘法,再算加法;(6)根据乘法交换律和结合律进行计算.
- 名师点评
-
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算;百分数的加减乘除运算.
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算;百分数的加减乘除运算.
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算;百分数的加减乘除运算.






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