
脱式计算.(能简算的要简算)17.68÷5.2+3.4 &n...
脱式计算.(能简算的要简算)17.68÷5.2+3.430.6×1.5÷5.13.2×2.08-0.63.8÷2.5÷4....
脱式计算.(能简算的要简算)17.68÷5.2+3.4 30.6×1.5÷5.13.2×2.08-0.6 3.8÷2.5÷4.
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(1)17.68÷5.2+3.4
=3.4+3.4,
=6.8;
(2)30.6×1.5÷5.1,
=30.6÷5.1×1.5,
=6×1.5,
=9;
(3)3.2×2.08-0.6,
=6.656-0.6,
=6.056;
(4)3.8÷2.5÷4,
=3.8÷(2.5×4),
=3.8÷10,
=0.38.
=3.4+3.4,
=6.8;
(2)30.6×1.5÷5.1,
=30.6÷5.1×1.5,
=6×1.5,
=9;
(3)3.2×2.08-0.6,
=6.656-0.6,
=6.056;
(4)3.8÷2.5÷4,
=3.8÷(2.5×4),
=3.8÷10,
=0.38.
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