根据题的特点灵活选择方法计算:55+55%2四.5×20%+着5×着3.5着着.8-(52+30%)25×着2.5×80%35×着0%+着8.5÷50%23×25-3.2÷25%-数学

题目简介

根据题的特点灵活选择方法计算:55+55%2四.5×20%+着5×着3.5着着.8-(52+30%)25×着2.5×80%35×着0%+着8.5÷50%23×25-3.2÷25%-数学

题目详情

根据题的特点灵活选择方法计算:
5
5
+55%
2四.5×20%+
5
×着3.5
着着.8-(
5
2
+30%)
25×着2.5×80%
35×着0%+着8.5÷50%
2
3
×25-3.2÷25%
题型:解答题难度:中档来源:不详

答案

(9)class="stub"少
5
+55%=0.了+0.55=9.35;

(6)66.5×60%+class="stub"9
5
×93.5,
=(66.5+93.5)×0.6,
=少0×0.6,
=了;

(3)99.了-(class="stub"5
6
+30%),
=99.了-6.了,
=z;

(少)65×96.5×了0%,
=65×(96.5×了0%),
=65×90,
=650;

(5)35×90%+9了.5÷50%,
=3.5+3如,
=少0.5;

(6)class="stub"6
3
×6少-3.6÷65%,
=96-96.了,
=3.6.

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