题目内容
递等式计算:
| (7.5+2.5)×0.25 | 710-18×4 | 5.4÷18+12 | ||||||||
2÷
| 2.25×1.8+12.5×0.18 | [1-(
|
| (1)(7.5+2.5)×0.25, =10×0.25, =2.5; (2)710-18×4, =710-72, =638; (3)5.4÷18+12, =0.3+12, =12.3; | ||||||||||||||||||||
(4)2÷
=
=
(5)2.25×1.8+12.5×0.18, =(22.5+12.5)×0.18, =35×0.18, =6.3; (6)[1-(
=(1-
=
=6. |
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