题目内容

能简算的要简算
10×10.7-10÷62.5%99%×99+99%4×8×1.25×25%
1
69
+
2
71
)×23+
25
71
(1)10×10.7-10÷62.5%,
=107-10÷0.625,
=107-16,
=91;

(2)99%×99+99%,
=99%×(99+1),
=0.99×100,
=99;

(3)4×8×1.25×25%,
=4×25%×(8×1.25),
=4×0.25×10,
=1×10,
=10;

(4)(
1
69
+
2
71
)×23+
25
71

=
1
69
×23+
2
71
×23+
25
71

=
1
3
+(
46
71
+
25
71
),
=
1
3
+1,
=1
1
3
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