4.1×101-32.8÷4怎么简便计算
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1、0.25×4.8
=0.25×4×1.2
=1×1.2
=1.2
2、0.78×101
=0.78×100+0.78×1
=78+0.78
=78.78
3、1.08×0.8÷0.27
=1.08÷0.27×0.8
=4×0.8
=3.2
4、3.772÷0.82+33.6
=4.6+33.6
=38.2
5、44.28÷0.9÷4.1
=49.2÷4.1
=12
6、﹙19.07-0.37﹚÷3.4
=18.7÷3.4
=5.5
=0.25×4×1.2
=1×1.2
=1.2
2、0.78×101
=0.78×100+0.78×1
=78+0.78
=78.78
3、1.08×0.8÷0.27
=1.08÷0.27×0.8
=4×0.8
=3.2
4、3.772÷0.82+33.6
=4.6+33.6
=38.2
5、44.28÷0.9÷4.1
=49.2÷4.1
=12
6、﹙19.07-0.37﹚÷3.4
=18.7÷3.4
=5.5
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