题目内容
脱式计算:
5÷4+5.6×125%+
÷
×(5-
÷4)+
.
5÷4+5.6×125%+
| 5 |
| 4 |
| 5 |
| 17 |
| 52 |
| 5 |
| 60 |
| 13 |
| 57 |
| 13 |
(1)5÷4+5.6×125%+
÷
=1.25+5.6×1.25+1.25×3.4,
=(1+5.6+3.4)×1.25,
=10×1.25,
=12.5;
(2)
×(5-
÷4)+
.
=
×(5-
)+
,
=
×
+
,
=40+4
,
=44
.
| 5 |
| 4 |
| 5 |
| 17 |
=1.25+5.6×1.25+1.25×3.4,
=(1+5.6+3.4)×1.25,
=10×1.25,
=12.5;
(2)
| 52 |
| 5 |
| 60 |
| 13 |
| 57 |
| 13 |
=
| 52 |
| 5 |
| 15 |
| 13 |
| 57 |
| 13 |
=
| 52 |
| 5 |
| 50 |
| 13 |
| 57 |
| 13 |
=40+4
| 5 |
| 13 |
=44
| 5 |
| 13 |
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