计算下面各题.(能简算的要简算) (1)40.5÷0.5+10.75 (2)213.6÷0.8÷0.3 (3)39.22÷3.7×

计算下面各题.(能简算的要简算) (1)40.5÷0.5+10.75 (2)213.6÷0.8÷0.3 (3)39.22÷3.7×2.5 (4)1.25×2.5×32 (5)0.24×103 (6)13.7×5+6.3×5.

(1)40.5÷0.5+10.75,
=81+10.75,
=91.75;

(2)213.6÷0.8÷0.3,
=267÷0.3,
=890;

(3)39.22÷3.7×2.5,
=10.6×2.5,
=26.5;

(4)1.25×2.5×32,
=(1.25×8)×(2.5×4),
=10×10,
=100;

(5)0.24×103,
=0.24×100+0.24×3,
=24+0.72,
=24.72;

(6)13.7×5+6.3×5.
=(13.7+6.3)×5,
=20×5,
=100.

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