用你喜欢的方法计算(1)2÷ 4 5 -0.6 (2)( 4 7 - 3 14 )÷ 1 28 (3) 1 20 +0.

用你喜欢的方法计算
(1)2÷
4
5
-0.6
(2)(
4
7
-
3
14
)÷
1
28
(3)
1
20
+0.24×6.4÷0.32
(4)93×101
(5)
1
4
×125×
1
25
×8
(6)75%×[(100%-
2
5
)÷25%].
树叶飘飘2003 1年前 已收到1个回答 举报

gu82gu82 春芽

共回答了12个问题采纳率:100% 举报

(1)2÷
4
5 -0.6,
=2.5-0.6,
=1.9;

(2)(
4
7 -
3
14 )÷
1
28 ,
=(
4
7 -
3
14 )×28,
=
4
7 × 28-
3
14 × 28,
=16-6,
=10;

(3)
1
20 +0.24×6.4÷0.32,
=
1
20 +1.536÷0.32,
=
1
20 +4.8,
=4.85;

(4)93×101,
=93×100+93×1,
=9300+93,
=9393;

(5)
1
4 ×125×
1
25 ×8,
=(
1
4 ×
1
25 )×(125×8),
=
1
100 × 1000,
=10;

(6)75%×[(100%-
2
5 )÷25%],
=75%×[
3
5 ÷25%],
=75%×
12
5 ,
=1.8.

1年前

4
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