问题 解答题
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.
答案

(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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