下面各题,怎样简便就怎样算.375+450÷18×2524×(14+58-23)0.8×48+52×454.3-(2.01+2.29÷10)-数学

题目简介

下面各题,怎样简便就怎样算.375+450÷18×2524×(14+58-23)0.8×48+52×454.3-(2.01+2.29÷10)-数学

题目详情

下面各题,怎样简便就怎样算.
375+450÷18×25

24×(
1
4
+
5
8
-
2
3
0.8×48+52×
4
5
4.3-(2.01+2.29÷10)
题型:解答题难度:中档来源:不详

答案

(1)375+450÷18×25,
=375+25×25,
=375+625,
=1000;

(2)24×(class="stub"1
4
+class="stub"5
8
-class="stub"2
3
),
=24×class="stub"1
4
+24×class="stub"5
8
-24×class="stub"2
3

=6+15-16,
=21-16,
=5;

(3)0.8×48+52×class="stub"4
5

=0.8×(48+52),
=0.8×100,
=80;

(4)4.3-(2.01+2.29÷10),
=4.3-(2.01+0.229),
=4.3-2.239,
=2.061.

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