用递等式计算.(1)56÷14×35(2)48048÷12+88(3)9÷(79-23)×3(4)(1-0.8×34)÷45.-数学

题目简介

用递等式计算.(1)56÷14×35(2)48048÷12+88(3)9÷(79-23)×3(4)(1-0.8×34)÷45.-数学

题目详情

用递等式计算.
(1)
5
6
÷
1
4
×
3
5
(2)48048÷12+88
(3)9÷(
7
9
-
2
3
)×3
(4)(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)48048÷12+88,
=4004+88,
=4092;

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

(4)(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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