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简算4.5×25%+1.3×14+2.2×0.255.02-1.37-2.63716×40-516÷140.

题目详情

1
4
+2.2×0.25        
5.02-1.37-2.63                
7
16
×40-
5
16
÷
1
40
1
4
1144

7
16
×40-
5
16
÷
1
40
7
16
771616
5
16
÷
1
40
5
16
551616
1
40
1
40
114040
▼优质解答
答案和解析
4.5×25%+1.3×
1
4
+2.2×0.25,
=(4.5+1.3+2.2)×
1
4

=8×
1
4

=2;
        
5.02-1.37-2.63,
=5.02-(1.37+2.63),
=5.02-4,
=1.02;
                
7
16
×40-
5
16
÷
1
40

=(
7
16
-
5
16
)×40,
=
1
8
×40,
=5.
1
4
111444+2.2×0.25,
=(4.5+1.3+2.2)×
1
4

=8×
1
4

=2;
        
5.02-1.37-2.63,
=5.02-(1.37+2.63),
=5.02-4,
=1.02;
                
7
16
×40-
5
16
÷
1
40

=(
7
16
-
5
16
)×40,
=
1
8
×40,
=5.
1
4
111444,
=8×
1
4

=2;
        
5.02-1.37-2.63,
=5.02-(1.37+2.63),
=5.02-4,
=1.02;
                
7
16
×40-
5
16
÷
1
40

=(
7
16
-
5
16
)×40,
=
1
8
×40,
=5.
1
4
111444,
=2;
        
5.02-1.37-2.63,
=5.02-(1.37+2.63),
=5.02-4,
=1.02;
                
7
16
×40-
5
16
÷
1
40

=(
7
16
-
5
16
)×40,
=
1
8
×40,
=5.
7
16
777161616×40-
5
16
÷
1
40

=(
7
16
-
5
16
)×40,
=
1
8
×40,
=5.
5
16
555161616÷
1
40

=(
7
16
-
5
16
)×40,
=
1
8
×40,
=5.
1
40
111404040,
=(
7
16
-
5
16
)×40,
=
1
8
×40,
=5.
7
16
777161616-
5
16
)×40,
=
1
8
×40,
=5.
5
16
555161616)×40,
=
1
8
×40,
=5.
1
8
111888×40,
=5.