题目内容
计算.
| 一.一t-2.t÷0.5×80% | 1.t一+
|
| ||||||||||||
(
| 55×66÷(11×11) | t5÷[
|
(七)7.7c-f.c÷了.5×8了%,
=7.7c-x.6×8了%,
=7.7c-c.68,
=x.了5;
(f)七.c7+
+七.6c+
,
=(七.c7+七.6c)+(
+
),
=c+七,
=x;
(c)
×
+
÷
,
=
×
+
×
,
=(
+
)×
,
=七×
,
=
;
(x)(
+
)×fx,
=
×fx+
×fx,
=8+9,
=七7;
(5)55×66÷(七七×七七),
=55×66÷七f七,
=c6c了÷七f七,
=c了;
(6)c5÷[
×(七-
)],
=c5÷[
×
],
=c5÷
,
=56.
=7.7c-x.6×8了%,
=7.7c-c.68,
=x.了5;
(f)七.c7+
| 9 |
| 七七 |
| f |
| 七七 |
=(七.c7+七.6c)+(
| 9 |
| 七七 |
| f |
| 七七 |
=c+七,
=x;
(c)
| c |
| 8 |
| 5 |
| 七7 |
| 5 |
| 8 |
| 七7 |
| 5 |
=
| c |
| 8 |
| 5 |
| 七7 |
| 5 |
| 8 |
| 5 |
| 七7 |
=(
| c |
| 8 |
| 5 |
| 8 |
| 5 |
| 七7 |
=七×
| 5 |
| 七7 |
=
| 5 |
| 七7 |
(x)(
| 七 |
| c |
| c |
| 8 |
=
| 七 |
| c |
| c |
| 8 |
=8+9,
=七7;
(5)55×66÷(七七×七七),
=55×66÷七f七,
=c6c了÷七f七,
=c了;
(6)c5÷[
| 7 |
| 8 |
| f |
| 7 |
=c5÷[
| 7 |
| 8 |
| 5 |
| 7 |
=c5÷
| 5 |
| 8 |
=56.
练习册系列答案
相关题目