6.3÷(5.25x0.8)脱式计算12.6÷0.28-4.5的脱式计算
脱式计算6.3÷(5.25×0.8)20÷0.8-4÷0.892.5×0.25×46.7×0.9+6.7×0.1....
脱式计算 6.3÷(5.25×0.8) 20÷0.8-4÷0.8 92.5×0.25×4 6.7×0.9+6.7×0.1.
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(1)6.3÷(5.25×0.8)
=6.3÷4.2
=1.5;
(2)20÷0.8-4÷0.8
=25-5
=20;
(3)92.5×0.25×4
=92.5×(0.25×4)
=92.5×1
=92.5;
(4)6.7×0.9+6.7×0.1
=6.7×(0.9+0.1)
=6.7×1
=6.7.
=6.3÷4.2
=1.5;
(2)20÷0.8-4÷0.8
=25-5
=20;
(3)92.5×0.25×4
=92.5×(0.25×4)
=92.5×1
=92.5;
(4)6.7×0.9+6.7×0.1
=6.7×(0.9+0.1)
=6.7×1
=6.7.
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