230乘1.8=414,相当于是41.4\1.8=23,/是除号
230×1.8=4144.14÷1.8=2.3
1.8x230=4144.14÷1.8=2.3答:正确的除法算式是4.14÷1.8，商是2.3。
210 乘1.6=3363.36/1.8
