
脱式计算下面各题0.1÷1+1÷0.8-0.1 ...
脱式计算下面各题0.1÷1+1÷0.8-0.13.6×1.25+0.32÷0.4(0.25+0.125)÷(0.75×0.4)58.8÷(0.6×0.7)÷0.02....
脱式计算下面各题0.1÷1+1÷0.8-0.1 3.6×1.25+0.32÷0.4(0.25+0.125)÷(0.75×0.4)58.8÷(0.6×0.7)÷0.02.
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(1)0.1÷1+1÷0.8-0.1
=0.1+1.25-0.1
=1.35-0.1
=1.25;
(2)3.6×1.25+0.32÷0.4
=4.5+0.8
=5.3;
(3)(0.25+0.125)÷(0.75×0.4)
=1.5÷3
=0.5;
(4)58.8÷(0.6×0.7)÷0.02
=58.8÷0.42÷0.02
=140÷0.02
=7000.
=0.1+1.25-0.1
=1.35-0.1
=1.25;
(2)3.6×1.25+0.32÷0.4
=4.5+0.8
=5.3;
(3)(0.25+0.125)÷(0.75×0.4)
=1.5÷3
=0.5;
(4)58.8÷(0.6×0.7)÷0.02
=58.8÷0.42÷0.02
=140÷0.02
=7000.
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