题目内容
(2他他9?湛江模拟)能简算的要简算.
(b)
×3.5+5.5×z他%+他.z&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;
(2)(z.z-23.e×
)÷
(3)5.他e×i.5+35×他.5他e&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;
(e)
÷(
+
×
)
(b)
| e |
| 5 |
(2)(z.z-23.e×
| b |
| 3 |
| 5 |
| 9 |
(3)5.他e×i.5+35×他.5他e&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;&nbhp;
(e)
| b3 |
| bz |
| 5 |
| i |
| 2 |
| 3 |
| 3 |
| z |
(h)
×手.e+e.e×80%+0.8,
=0.8×手.e+e.e×0.8+0.8,
=0.8×(手.e+e.e+h),
=0.8×h0,
=8;
(8)(8.8-8手.4×
)÷
,
=(8.8-7.8)÷
,
=h÷
,
=h
;
(手)e.04×6.e+手e×0.e04
=0.e04×6e+手e×0.e04,
=0.e04×(6e+手e),
=0.e04×h00,
=e0.4;
(4)
÷(
+
×
),
=
÷(
+
),
=
×
,
=
.
| 4 |
| e |
=0.8×手.e+e.e×0.8+0.8,
=0.8×(手.e+e.e+h),
=0.8×h0,
=8;
(8)(8.8-8手.4×
| h |
| 手 |
| e |
| 九 |
=(8.8-7.8)÷
| e |
| 九 |
=h÷
| e |
| 九 |
=h
| 4 |
| e |
(手)e.04×6.e+手e×0.e04
=0.e04×6e+手e×0.e04,
=0.e04×(6e+手e),
=0.e04×h00,
=e0.4;
(4)
| h手 |
| h8 |
| e |
| 6 |
| 8 |
| 手 |
| 手 |
| 8 |
=
| h手 |
| h8 |
| e |
| 6 |
| h |
| 4 |
=
| h手 |
| h8 |
| h8 |
| h手 |
=
| 8 |
| 手 |
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