用你喜欢的方法算:(1)6.25÷0.25×0.6 (2)68.04÷(0.21×3.6) (3)2.02×(1.027÷0.26) (4)1

2024-11-29 18:38:07
推荐回答(1个)
回答(1):

(1)6.25÷0.25×0.6
=25×0.6,
=15;

(2)68.04÷(0.21×3.6)
=68.04÷0.21÷3.6,
=324÷3.6,
=90;

(3)2.02×(1.027÷0.26)
=2.02×3.95,
=7.979;

(4)12.8-10.8÷4.5
=12.8-2.4,
=10.4;

(5)2.7÷0.75+76.4
=3.6+76.4,
=80;

(6)0.486+0.01+3.99
=0.486+(0.01+3.99),
=0.486+4,
=4.486;

(7)1.25×11×4×0.8
=1.25×0.8×4×11,
=1×4×11,
=4×11,
=44;

(8)19.75-6.45-3.55
=19.75-(6.45+3.55),
=19.75-10,
=9.75;

(9)90÷25÷4
=90÷(25×4),
=90÷100,
=0.9;

(10)5.6÷2.4
=5.6÷(0.8×3),
=5.6÷0.8÷3,
=7÷3,
≈2.33.