问题
计算题
脱式计算。(能简算的要简算)
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答案
(1)原式= 4.23×9.9+4.23×0.1
= 4.23×(9.9+0.1)
= 42.3
=10÷7.2
=
单项选择题
脱式计算。(能简算的要简算)
|
(1)原式= 4.23×9.9+4.23×0.1
= 4.23×(9.9+0.1)
= 42.3
=10÷7.2
=