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简介:
五年级上册数学《小数除法》简便运算
班级:_________姓名:_________日期:_________
4.8÷2.5÷4
=4.8÷(2.5×4)
=4.8÷10
=0.48
7.25÷1.25÷8
=7.25÷(1.25×8)
=7.25÷10
=0.725
78÷0.25÷0.4
=78÷(0.25×0.4)
=78÷0.1
=780
16.8÷7÷0.12
=16.8÷(7×0.12)
=16.8÷0.84
=20 0.175÷0.25÷0.4
=0.175÷(0.25×0.4)
=0.175÷0.1
=1.75
136×0.65-0.65×36
=(136-36)×0.65
=100×0.65
=65
7.8÷1.25÷0.8
=7.8÷(1.25×0.8)
=7.8÷1
=7.8
0.79×15.4-5.4×0.79
=0.79×(15.4-5.4)
=0.79×10
=7.9