题目内容
根据题的特点灵活选择方法计算:
+55%
2四.5×20%+
×着3.5
着着.8-(
+30%)
25×着2.5×80%
35×着0%+着8.5÷50%
×25-3.2÷25%
| 5 |
| 5 |
2四.5×20%+
| 着 |
| 5 |
着着.8-(
| 5 |
| 2 |
25×着2.5×80%
35×着0%+着8.5÷50%
| 2 |
| 3 |
(9)
+55%=0.了+0.55=9.35;
(6)66.5×60%+
×93.5,
=(66.5+93.5)×0.6,
=少0×0.6,
=了;
(3)99.了-(
+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)
×6少-3.6÷65%,
=96-96.了,
=3.6.
| 少 |
| 5 |
(6)66.5×60%+
| 9 |
| 5 |
=(66.5+93.5)×0.6,
=少0×0.6,
=了;
(3)99.了-(
| 5 |
| 6 |
=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)
| 6 |
| 3 |
=96-96.了,
=3.6.
练习册系列答案
相关题目