
用递等式计算.56.56÷0.7÷0.8 (16.8+4.8)÷0.8 1.92÷0.12-2.7 ...
用递等式计算.56.56÷0.7÷0.8(16.8+4.8)÷0.81.92÷0.12-2.73.9÷1.3÷5....
用递等式计算.56.56÷0.7÷0.8 (16.8+4.8)÷0.8 1.92÷0.12-2.7 3.9÷1.3÷5.
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(1)56.56÷0.7÷0.8
=56.56÷(0.7×0.8)
=56.56÷0.56
=101;
(2)(16.8+4.8)÷0.8
=16.8÷0.8+4.8÷0.8
=21+6
=27;
(3)1.92÷0.12-2.7
=16-2.7
=13.3;
(4)3.9÷1.3÷5
=3÷5
=0.6.
=56.56÷(0.7×0.8)
=56.56÷0.56
=101;
(2)(16.8+4.8)÷0.8
=16.8÷0.8+4.8÷0.8
=21+6
=27;
(3)1.92÷0.12-2.7
=16-2.7
=13.3;
(4)3.9÷1.3÷5
=3÷5
=0.6.
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