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(2008•罗平县)计算下面各题(能简算的要简算)(1)6.3×60%+4.7×60%-0.6=(2)0.25×13×4×113=(3)(13.62-8.4×1.05)÷0.32=(4)11×11×11-11×11-10=(5)1.5×[0.02÷(2.1-2.09)]=
题目详情
(2008•罗平县)计算下面各题(能简算的要简算)
(1)6.3×60%+4.7×60%-0.6=
(2)0.25×13×4×
=
(3)(13.62-8.4×1.05)÷0.32=
(4)11×11×11-11×11-10=
(5)1.5×[0.02÷(2.1-2.09)]=
(1)6.3×60%+4.7×60%-0.6=
(2)0.25×13×4×
1 |
13 |
(3)(13.62-8.4×1.05)÷0.32=
(4)11×11×11-11×11-10=
(5)1.5×[0.02÷(2.1-2.09)]=
▼优质解答
答案和解析
(1)6.3×60%+4.7×60%-0.6,
=60%×(6.3+4.7-1),
=60%×10,
=6;
(2)0.25×13×4×
,
=(0.25×4)×(13×
),
=1×1,
=1;
(3))(13.62-8.4×1.05)÷0.32,
=(13.62-8.82)÷0.32,
=4.8÷0.32,
=15;
(4)11×11×11-11×11-10,
=11×11×(11-1)-10,
=121×10-10,
=10×(121-1),
=10×120,
=1200;
(5)1.5×[0.02÷(2.1-2.09)],
=1.5×[0.02÷0.01],
=1.5×2,
=3.
=60%×(6.3+4.7-1),
=60%×10,
=6;
(2)0.25×13×4×
1 |
13 |
=(0.25×4)×(13×
1 |
13 |
=1×1,
=1;
(3))(13.62-8.4×1.05)÷0.32,
=(13.62-8.82)÷0.32,
=4.8÷0.32,
=15;
(4)11×11×11-11×11-10,
=11×11×(11-1)-10,
=121×10-10,
=10×(121-1),
=10×120,
=1200;
(5)1.5×[0.02÷(2.1-2.09)],
=1.5×[0.02÷0.01],
=1.5×2,
=3.
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