27.54÷0.17的例式计算
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(1)(53.73-17.49)÷0.12+3.8
=36.24÷0.12+3.8
=302+3.8
=305.8
(2)4.8+0.94÷47×12
=4.8+0.02×12
=4.8+0.24
=5.04
(3)20÷0.2÷2.5
=10÷2.5
=4
(4)8.4×3.6+0.16×36
=8.4×3.6+1.6×3.6
=(8.4+1.6)×3.6
=10×3.6
=36
(5)3.85×11.2-1.2×3.85
=3.85×(11.2-1.2)
=3.85×10
=38.5
(6)5.4×4.5×0.9
=24.3×0.9
=21.87
=36.24÷0.12+3.8
=302+3.8
=305.8
(2)4.8+0.94÷47×12
=4.8+0.02×12
=4.8+0.24
=5.04
(3)20÷0.2÷2.5
=10÷2.5
=4
(4)8.4×3.6+0.16×36
=8.4×3.6+1.6×3.6
=(8.4+1.6)×3.6
=10×3.6
=36
(5)3.85×11.2-1.2×3.85
=3.85×(11.2-1.2)
=3.85×10
=38.5
(6)5.4×4.5×0.9
=24.3×0.9
=21.87
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5.4/0.15 =0.9*6/(0.3*0.5) =0.9/0.3*(6/0.5) =3*12 =36
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