计算,能简算的要简算.1.8×5.46+1.8×4.5416.38

2025-03-31 17:39:19
推荐回答(1个)
回答1:

(1)1.8×5.46+1.8×4.54,
=(5.46+4.54)×1.8,
=10×1.8,
=18;
(2)16.38÷0.36-4.8,
=45.5-4.8,
=40.7;
(3)0.32×0.25×12.5,
=0.4×0.8×0.25×12.5,
=(0.4×0.25)×(0.8×12.5),
=0.1×10,
=1;
(4)0.85+0.2×1.35,
=0.85+0.27,
=1.12;
(5)2.8÷3.5×4,
=0.8×4,
=3.2;
(6)2.64+8.67+1.33-1.64,
=(2.64-1.64)+(8.67+1.33),
=1+10,
=11.