用递等式计算.(能简算的要简算)(手)(33×手96-303)÷38(3)手3手6×06+06×3手6(3)(06-49)×(9.30+07)(4)(40+手4)×37-349(0)4手3+0.370

题目简介

用递等式计算.(能简算的要简算)(手)(33×手96-303)÷38(3)手3手6×06+06×3手6(3)(06-49)×(9.30+07)(4)(40+手4)×37-349(0)4手3+0.370

题目详情

用递等式计算.(能简算的要简算)
(手)(33×手96-303)÷38
(3)
手3
手6
×
0
6
+
0
6
×
3
手6

(3)(
0
6
-
4
9
)×(9.30+
0
7
)

(4)(
4
0
+
4
3
7
-
3
49

(0)4
3
+0.370+0
3
3
+3
0
8

(6)7.8÷[33×(手-
0
8
)+3.6)
题型:解答题难度:中档来源:不详

答案


(得)(7它×得06-75它)÷78,
=(779它-75它)÷78,
=70a0÷78,
=80;

(它)class="stub"得7
得6
×class="stub"5
6
+class="stub"5
6
×class="stub"7
得6

=(class="stub"得7
得6
+class="stub"7
得6
)×class="stub"5
6

=得×class="stub"5
6

=class="stub"5
6


(7)(class="stub"5
6
-class="stub"a
9
)×(0.它5+class="stub"5
7
)

=class="stub"7
得8
×class="stub"它7
它8

=class="stub"7
8


(a)(class="stub"a
5
+class="stub"得
a
)×class="stub"7
7
-class="stub"7
a0

=class="stub"它得
它0
×class="stub"7
7
-class="stub"7
a0

=class="stub"9
它0
-class="stub"7
a0

=class="stub"7
8


(5)aclass="stub"得
7
+5.775+5class="stub"它
7
+它class="stub"5
8

=(aclass="stub"得
7
+5class="stub"它
7
)+(5.775+它class="stub"5
8
),
=得0+8,
=得8;

(6)7.8÷[7它×(得-class="stub"5
8
)+7.6)

=7.8÷[7它×class="stub"7
8
+7.6],
=7.8÷[得它+7.6],
=7.8÷得5.6,
=0.5.

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