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(5.36-0.95)+(1.93-1.15)怎么简便?6×0.1+()×100分之一+9×0.001=0.6392×1+()×()+8×0.001=2.038
题目详情
(5.36-0.95)+(1.93-1.15)怎么简便?
6×0.1+( )×100分之一+9×0.001=0.639
2×1+( )×( )+8×0.001=2.038
6×0.1+( )×100分之一+9×0.001=0.639
2×1+( )×( )+8×0.001=2.038
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答案和解析
(5.36-0.95)+(1.93-1.15)怎么简便?
=5.36-0.95-0.15+1.93-1
=5.36-1.1+0.93
=5.36-1-0.1+0.93
=5.36-0.07-0.1
=5.26-0.07
=5.19
6×0.1+( 3 )×100分之一+9×0.001=0.639
0.639-0.009-0.6=0.63-0.6=0.03
2×1+( 3)×( 0.01 )+8×0.001=2.038
2.038-0.008-2=0.03
=5.36-0.95-0.15+1.93-1
=5.36-1.1+0.93
=5.36-1-0.1+0.93
=5.36-0.07-0.1
=5.26-0.07
=5.19
6×0.1+( 3 )×100分之一+9×0.001=0.639
0.639-0.009-0.6=0.63-0.6=0.03
2×1+( 3)×( 0.01 )+8×0.001=2.038
2.038-0.008-2=0.03
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