Question

5.04*6.5-2.76怎样简算

Answer 1

5.04*6.5-2.76怎样简算, 5.04*6.5-2.76=（简便运算）

5.04*6.5-2.76
= ( 5 + 0.04) * 13 / 2 - 2.76
= (5 * 13 + 0.04 * 13) /2 - 2.76
= (65 + 0.52) /2 - 2.76
= 65.52 /2 - 2.76
= 32.76 - 2.76
= 30

5.05*6.5-2.76 =？怎么简算

5.05*6.5-2.76
=32.825-2.76
=30.065.
没有简便演算法。

5.83+2.76-4.79怎样简算

5.83+2.76-4.79
=5.83+2.76-(4.03+0.76)
=5.83-4.03+2.76-0.76
=1.8+2
=3.8

6.5-6.5x0.98怎样简算

6.5-6.5x0.98
=6.5×（1-0.98）
=6.5×0.02
=0.13

1.47×6.5+7.53×6.5+6.5怎样简算

原式=6.5×（1.47+7.53+1）
=6.5×10
=65

5.04乘以6.5减2.76有简便方法吗

5.04x6.5-2.76
=5.04x6.5-2.52 - 0.24
=5.04x(6.5-0.5)-0.24
=5.04x6 -0.24
=30.24-0.24
=30

0.654+10.9*6.5怎样简算

=0.1*(6.5+0.04)+10.9*6.5
=(10.9+0.1)*6.5+0.004
=(10+1)*6.5+0.004
=65+6.5+0.004
=71.504