下面各题怎样简便就怎样算.70×(37+25-435)711×823+723×3116.4÷50-5.9×150101×15-15×21(35+1.6×12)×0.25[710-(0.5+25×12)]÷167.-数学

35,
=30+28-8,
=58-8,
=50;

(2)
7
11
×
8
23
+
7
23
×
3
11

=
7
11
×
8
23
+
3
23
×
7
11

=
7
11
×(
8
23
+
3
23
),
=
7
11
×
11
23

=
7
23


(3)6.4÷50-5.9×
1
50

=6.4×
1
50
-5.9×
1
50

=(6.4-5.9)×
1
50

=0.5×
1
50

=
1
100


(4)101×
1
5
-
1
5
×21,
=(101-21)×
1
5

=80×
1
5

=16;
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