来自何德照的问题
能简算的要简算0.4×73+0.04+2700.35×1.25×2×0.82.4×10218-1.8÷0.125÷0.8.
能简算的要简算0.4×73+0.04+2700.35×1.25×2×0.82.4×10218-1.8÷0.125÷0.8.
1回答
2020-04-07 22:13
能简算的要简算0.4×73+0.04+2700.35×1.25×2×0.82.4×10218-1.8÷0.125÷0.8.
能简算的要简算0.4×73+0.04+2700.35×1.25×2×0.82.4×10218-1.8÷0.125÷0.8.
(1)0.4×73+0.04+270,
=29.2+0.04+270,
=29.24+270,
=299.24;
(2)0.35×1.25×2×0.8,
=(0.35×2)×(1.25×0.8),
=0.7×1,
=0.7;
(3)2.4×102,
=2.4×(100+2),
=2.4×100+2.4×2,
=240+4.8,
=244.8;
(4)18-1.8÷0.125÷0.8,
=18-1.8÷(0.125×0.8),
=18-1.8÷0.1,
=18-18,
=0.