
脱式计算.0.2×0.6×0.5×4 (7.5-...
脱式计算.0.2×0.6×0.5×4(7.5-2.3×0.4)÷0.013.64÷5.2×23.8178.8÷(26.4-5.6)...
脱式计算.0.2×0.6×0.5×4 (7.5-2.3×0.4)÷0.013.64÷5.2×23.8 178.8÷(26.4-5.6)
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(1)0.2×0.6×0.5×4
=(0.2×0.6)×(0.5×4)
=0.12×2
=0.24;
(2)(7.5-2.3×0.4)÷0.01
=(7.5-0.92)÷0.01
=6.58÷0.01
=658;
(3)3.64÷5.2×23.8
=0.7×23.8
=16.66;
(4)178.8÷(26.4-5.6)
=178.8÷20.8
=
.
=(0.2×0.6)×(0.5×4)
=0.12×2
=0.24;
(2)(7.5-2.3×0.4)÷0.01
=(7.5-0.92)÷0.01
=6.58÷0.01
=658;
(3)3.64÷5.2×23.8
=0.7×23.8
=16.66;
(4)178.8÷(26.4-5.6)
=178.8÷20.8
=
447 |
52 |
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