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简算.1.02÷1.25=4.6×910+4.4÷119+(1-0.1)=5.87-(3.87-0.96)=101÷10101-11110=(229+323)×29×23=

题目详情
简算.
1.02÷1.25=
4.6×
9
10
+4.4÷1
1
9
+(1-0.1)=
5.87-(3.87-0.96)=
101÷
10
101
-11
1
10
=
2
29
+
3
23
)×29×23=
▼优质解答
答案和解析
(1)1.02÷1.25
=1.02÷1.25÷0.8×0.8
=1.02÷(1.25×0.8)×0.8
=1.02÷1×0.8
=1.02×0.8
=0.816;

(2)4.6×
9
10
+4.4÷1
1
9
+(1-0.1)
=4.6×
9
10
+4.4×
9
10
+
9
10

=(4.6+4.4+1)×
9
10

=10×
9
10

=9;

(3)5.87-(3.87-0.96)
=5.87-3.87+0.96
=2+0.96
=2.96;

(4)101÷
10
101
-11
1
10

=101×10.1-11.1
=101×10.1-10.1-1
=(101-1)×10.1-1
=100×10.1-1
=1010-1
=1009;

(5)(
2
29
+
3
23
)×29×23
=
2
29
×29×23+
3
23
×29×23
=2×23+3×29
=46+87
=133.