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脱式计算,能用简便方法的用简便方法495÷55+495÷45;3.3×34+0.75×5710+75%;12345432155555×55555×614;[16.5×7.2÷557×(12.5%-18)]×1519.

题目详情
脱式计算,能用简便方法的用简便方法
495÷55+495÷45;                    
3.3×
3
4
+0.75×5
7
10
+75%;
123454321
55555×55555
×6
1
4

[16.5×7.2÷
55
7
×(12.5%-
1
8
)]×
15
19


3
4
+0.75×5
7
10
+75%;
123454321
55555×55555
×6
1
4

[16.5×7.2÷
55
7
×(12.5%-
1
8
)]×
15
19
3
4
3344
7
10
+75%;
123454321
55555×55555
×6
1
4

[16.5×7.2÷
55
7
×(12.5%-
1
8
)]×
15
19
7
10
771010
123454321
55555×55555
×6
1
4

[16.5×7.2÷
55
7
×(12.5%-
1
8
)]×
15
19
123454321
55555×55555
12345432112345432155555×5555555555×55555
1
4

[16.5×7.2÷
55
7
×(12.5%-
1
8
)]×
15
19
1
4
1144
55
7
×(12.5%-
1
8
)]×
15
19
55
7
555577
1
8
)]×
15
19
1
8
1188
15
19
15
19
15151919
▼优质解答
答案和解析
(1)495÷55+495÷45=9+11=20(2)3.3×34+0.75×5710+75%=3.3×0.75+5.7×0.75+0.75=(3.3+5.7+1)×0.75=10×0.75=7.5(3)12345432155555×55555×614=11111×111115×11111×5×11111×254=14(4)[16.5×7.2÷...