用递等式计算.56÷14×3520-12÷458-23÷14-4348048÷12+889÷(79-23)×3(1-0.8×34)÷45.-数学

题目简介

用递等式计算.56÷14×3520-12÷458-23÷14-4348048÷12+889÷(79-23)×3(1-0.8×34)÷45.-数学

题目详情

用递等式计算.
5
6
÷
1
4
×
3
5
20-12÷
4
5
8-
2
3
÷
1
4
-
4
3
48048÷12+889÷(
7
9
-
2
3
)×3
(1-0.8×
3
4
)÷
4
5
题型:解答题难度:中档来源:不详

答案


(1)class="stub"5
6
÷class="stub"1
4
×class="stub"3
5

=class="stub"10
3
×class="stub"3
5

=2;

(2)20-12÷class="stub"4
5

=20-15,
=5;

(3)8-class="stub"2
3
÷class="stub"1
4
-class="stub"4
3

=8-class="stub"8
3
-class="stub"4
3

=8-(class="stub"8
3
+class="stub"4
3
),
=8-4,
=4;

(4)48048÷12+88,
=4004+88,
=4092;

(5)9÷(class="stub"7
9
-class="stub"2
3
)×3,
=9÷class="stub"1
9
×3,
=81×3,
=243;

(6)(1-0.8×class="stub"3
4
)÷class="stub"4
5

=(1-0.6)÷class="stub"4
5

=0.4÷class="stub"4
5

=0.5.

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