用递等式计算.(1)370×203-19266÷38(2)32×3.1+1÷1.25(3)2126×(39÷35)÷0.9(4)(9-3.06÷35)×1313(5)(3-118+117)×1813-

题目简介

用递等式计算.(1)370×203-19266÷38(2)32×3.1+1÷1.25(3)2126×(39÷35)÷0.9(4)(9-3.06÷35)×1313(5)(3-118+117)×1813-

题目详情

用递等式计算.
(1)370×203-19266÷38
(2)32×3.1+1÷1.25
(3)
21
26
×(39÷35)÷0.9
(4)(9-3.06÷
3
5
)×1
3
13

(5)(3-1
1
8
+1
1
7
)×1
8
13
-3
1
56
×56
(6)[(
37
40
+0.075)÷
3
25
-2
17
24
2
15
题型:解答题难度:中档来源:不详

答案

(1)370×203-19266÷38,
=75110-507,
=74603;

(2)32×3.1+1÷1.25,
=9.92+0.8,
=10.72;

(3)class="stub"21
26
×(39÷35)÷0.9,
=class="stub"21
26
×class="stub"39
35
÷0.9,
=0.9÷0.9,
=1;

(4)(9-3.06÷class="stub"3
5
)×1class="stub"3
13

=(9-5.1)×1class="stub"3
13

=3.9×1class="stub"3
13

=4.8;

(5)(3-1class="stub"1
8
+1class="stub"1
7
)×1class="stub"8
13
-3class="stub"1
56
×56,
=3×56-1class="stub"1
8
×
56+1class="stub"1
7
×56,
=168-49+64,
=119+64,
=183;

(6)[(class="stub"37
40
+0.075)÷class="stub"3
25
-2class="stub"17
24
]×class="stub"2
15

=[1÷class="stub"3
25
-2class="stub"17
24
class="stub"2
15

=[class="stub"25
3
-2class="stub"17
24
class="stub"2
15

=class="stub"135
24
×class="stub"2
15

=class="stub"3
4

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