计算,能简算的要简算.①36.25×101-36.25②1427-(716-1327)+916③36×59+36×49④0.75-512+14⑤715-(715+23)⑥338+0.6+0.625+2

题目简介

计算,能简算的要简算.①36.25×101-36.25②1427-(716-1327)+916③36×59+36×49④0.75-512+14⑤715-(715+23)⑥338+0.6+0.625+2

题目详情

计算,能简算的要简算.
①36.25×101-36.25
14
27
-(
7
16
-
13
27
)+
9
16
③36×
5
9
+36×
4
9
④0.75-
5
12
+
1
4
7
15
-(
7
15
+
2
3
⑥3
3
8
+0.6+0.625+
2
5
题型:解答题难度:中档来源:不详

答案

①36.25×101-36.25,
=(101-1)×36.25,
=100×36.25,
=3625;

class="stub"14
27
-(class="stub"7
16
-class="stub"13
27
)+class="stub"9
16

=class="stub"14
27
-class="stub"7
16
+class="stub"13
27
+class="stub"9
16

=(class="stub"14
27
+class="stub"13
27
)+(class="stub"9
16
-class="stub"7
16
),
=1+class="stub"1
8

=1class="stub"1
8


③36×class="stub"5
9
+36×class="stub"4
9

=(class="stub"5
9
+class="stub"4
9
)×36,
=1×36,
=36;

④0.75-class="stub"5
12
+class="stub"1
4

=0.75+class="stub"1
4
-class="stub"5
12

=1-class="stub"5
12

=class="stub"7
12


class="stub"7
15
-(class="stub"7
15
+class="stub"2
3
),
=class="stub"7
15
-class="stub"7
15
-class="stub"2
3

=0-class="stub"2
3

=-class="stub"2
3


⑥3class="stub"3
8
+0.6+0.625+class="stub"2
5

=(3class="stub"3
8
+0.625)+(0.6+class="stub"2
5
),
=4+1,
=5.

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