
用自己喜欢的方法计算.21.6÷(8.32-3.82)÷0.12 9.28÷(1-...
用自己喜欢的方法计算.21.6÷(8.32-3.82)÷0.129.28÷(1-1.7÷2.5)5.6×[0.4÷(0.84÷3.36)]7.8-7.8÷(1.3×1.5...
用自己喜欢的方法计算.21.6÷(8.32-3.82)÷0.12 9.28÷(1-1.7÷2.5)5.6×[0.4÷(0.84÷3.36)]7.8-7.8÷(1.3×1.5)
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(1)21.6÷(8.32-3.82)÷0.12
=21.6÷5÷0.12,
=21.6÷(5×0.12),
=21.6÷0.6,
=36;
(2)9.28÷(1-1.7÷2.5)
=9.28÷(1-0.68),
=9.28÷0.32,
=29;
(3)5.6×[0.4÷(0.84÷3.36)]
=5.6×[0.4÷0.25],
=5.6÷1.6,
=3.5;
(4)7.8-7.8÷(1.3×1.5)
=7.8-7.8÷1.95,
=7.8-4,
=3.8.
=21.6÷5÷0.12,
=21.6÷(5×0.12),
=21.6÷0.6,
=36;
(2)9.28÷(1-1.7÷2.5)
=9.28÷(1-0.68),
=9.28÷0.32,
=29;
(3)5.6×[0.4÷(0.84÷3.36)]
=5.6×[0.4÷0.25],
=5.6÷1.6,
=3.5;
(4)7.8-7.8÷(1.3×1.5)
=7.8-7.8÷1.95,
=7.8-4,
=3.8.
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