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(w上8w•泉州)用递等式计算(8)8379+45上÷88×4上&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;(w)(3.w÷86+8上.8)÷ww(3)588×7w5+7w5×688&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;&nb4
题目详情
(w上8w•泉州)用递等式计算
(8)8379+45上÷88×4上&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;
(w)(3.w÷86+8上.8)÷ww
(3)
×
+
×
&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;
(4)
×
÷(&nb4的;
-
&nb4的;)
(8)8379+45上÷88×4上&nb4的;&nb4的;&nb4的;&nb4的;&nb4的;
(w)(3.w÷86+8上.8)÷ww
(3)
5 |
88 |
7 |
w5 |
7 |
w5 |
6 |
88 |
(4)
8 |
4 |
8 |
7 |
5 |
6 |
3 |
4 |
▼优质解答
答案和解析
(c)cc79+450÷c8×40,
=cc79+y5×40,
=cc79+c000,
=yc79;
(y)(c.y÷c6+c0.8)÷yy,
=(0.y+c0.8)÷yy,
=cc÷yy,
=0.5;
(c)
×
+
×
,
=(
+
)×
,
=c×
,
=
;
(4)
×
÷(
-
),
=
×
÷
,
=
×
×cy,
=
×cy×
,
=c×
,
=
.
=cc79+y5×40,
=cc79+c000,
=yc79;
(y)(c.y÷c6+c0.8)÷yy,
=(0.y+c0.8)÷yy,
=cc÷yy,
=0.5;
(c)
5 |
cc |
7 |
y5 |
7 |
y5 |
6 |
cc |
=(
5 |
cc |
6 |
cc |
7 |
y5 |
=c×
7 |
y5 |
=
7 |
y5 |
(4)
c |
4 |
c |
7 |
5 |
6 |
c |
4 |
=
c |
4 |
c |
7 |
c |
cy |
=
c |
4 |
c |
7 |
=
c |
4 |
c |
7 |
=c×
c |
7 |
=
c |
7 |
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