问题 解答题
简便运算.
3
4
×
1
11
+
1
11
×
1
4
1.25×2.5×8136-64-461.36+5.4+8.64+1.6.
答案

(1)

3
4
×
1
11
+
1
11
×
1
4

=(

3
4
+
1
4
)×
1
11

=1×

1
11

=

1
11

(2)1.25×2.5×8,

=(1.25×8)×2.5,

=10×2.5,

=25;

(3)136-64-46,

=136-(64+46),

=136-110,

=26;

(4)1.36+5.4+8.64+1.6,

=(1.36+8.64)+(5.4+1.6),

=10+7,

=17.

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