问题
计算题
用简便方法计算下面各题. | ||
|
答案
(1)8.35×101﹣8.35
=8.35×(101﹣1)
=8.35×100
=835
=[3.4×(0.8+9.2)]÷34÷0.05
=[3.4×10]÷34÷0.05
=34÷34÷0.05
=1÷0.05
=20.
单项选择题
用简便方法计算下面各题. | ||
|
(1)8.35×101﹣8.35
=8.35×(101﹣1)
=8.35×100
=835
=[3.4×(0.8+9.2)]÷34÷0.05
=[3.4×10]÷34÷0.05
=34÷34÷0.05
=1÷0.05
=20.