计算(了)了800-了3t0÷了8×了(五)(了-了%×70)÷五7(3)了9了3÷7t-了了3×t7(0)8了3÷7+了7×了了3(t)79×9+79(了)五-了了3÷9五了-五3.-数学

题目简介

计算(了)了800-了3t0÷了8×了(五)(了-了%×70)÷五7(3)了9了3÷7t-了了3×t7(0)8了3÷7+了7×了了3(t)79×9+79(了)五-了了3÷9五了-五3.-数学

题目详情

计算
(了)了800-了3t0÷了8×了
(五)(了-了%×70)÷
7

(3)
了9
了3
÷
7
t
-
了3
×
t
7

(0)
8
了3
÷7+
7
×
了3

(t)
7
9
×9+
7
9

(了)五-
了3
÷
9
五了
-
3
题型:解答题难度:中档来源:不详

答案

(1)1800-1a20÷18×6,
=1800-72×6,
=1800-人20,
=1a20;
(2)(1-1%×70)÷class="stub"2
7

=(1-70%)÷class="stub"2
7

=class="stub"a
10
×class="stub"7
2

=class="stub"21
20

(a)class="stub"19
1a
÷class="stub"7
2
-class="stub"6
1a
×class="stub"2
7

=(class="stub"19
1a
-class="stub"6
1a
)×class="stub"2
7

=class="stub"2
7

(人)class="stub"8
1a
÷7+class="stub"1
7
×class="stub"6
1a

=(class="stub"8
1a
+class="stub"6
1a
)×class="stub"1
7

=class="stub"1人
1a
×class="stub"1
7

=class="stub"2
1a

(2)class="stub"7
9
×9+class="stub"7
9

=(9+1)×class="stub"7
9

=class="stub"70
9

(6)2-class="stub"6
1a
÷class="stub"9
26
-class="stub"2
a

=2-class="stub"6
1a
×class="stub"26
9
-class="stub"2
a

=2-(class="stub"人
a
+class="stub"2
a
),
=0.
故答案为:(1)1a20(2)class="stub"21
20
(a)class="stub"2
7
(人)class="stub"2
1a
(2)class="stub"70
9
(6)0.

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