
下面各题,能简算的要用简便方法计算.1.08×0.8÷0.27; &nb...
下面各题,能简算的要用简便方法计算.1.08×0.8÷0.27;10.01×101-10.01;0.8×(12.5+0.125);2.46÷0.82+33.6....
下面各题,能简算的要用简便方法计算.1.08×0.8÷0.27; 10.01×101-10.01; 0.8×(12.5+0.125); 2.46÷0.82+33.6.
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(1)1.08×0.8÷0.27
=(1.08÷0.27)×0.8
=4×0.8
=3.2
(2)10.01×101-10.01
=10.01×(101-1)
=10.01×100
=1001
(3)0.8×(12.5+0.125)
=0.8×12.5+0.8×0.125
=10+0.1
=10.1
(4)2.46÷0.82+33.6
=3+33.6
=36.6
=(1.08÷0.27)×0.8
=4×0.8
=3.2
(2)10.01×101-10.01
=10.01×(101-1)
=10.01×100
=1001
(3)0.8×(12.5+0.125)
=0.8×12.5+0.8×0.125
=10+0.1
=10.1
(4)2.46÷0.82+33.6
=3+33.6
=36.6
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