题目内容

1735+4500÷18×15
3.8×4.5÷(3.2-2.95)
1
4
+
4
5
)÷
11
3
+
7
10

7
10
×9.4+
8
5
×30%
1
15
+
2
17
)×15×17.
(1)1735+4500÷18×15
=1735+250×15,
=1735+3750,
=5485;

(2)3.8×4.5÷(3.2-2.95)
=3.8×4.5÷0.25,
=17.1÷0.25,
=68.4;

(3)
7
10
×9.4+
8
5
×30%
=0.7×9.4+1.6×0.3,
=6.58+0.48,
=7.06;

(4)(
1
15
+
2
17
)×15×17
=
1
15
×
15×17+
2
17
×
15×17,
=17+30,
=47.
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