56.36减简便方法(
56.36减(24.36+18)简便方法? -
原式=56.36 - 24.36 - 18 =32 - 18 =14
原式=56.36-4.36-(5.64+6.36)52-12=40 原式=592/1000÷(1/5-1/25)592/1000÷4/25=592/1000×1000/160=3.7
原式=56.36 - 24.36 - 18 =32 - 18 =14
原式=56.36-4.36-(5.64+6.36)52-12=40 原式=592/1000÷(1/5-1/25)592/1000÷4/25=592/1000×1000/160=3.7
解:56.358358…用简便方法记作:56..3 5 .8 ;保留一位小数约是56.4;保留两位小数约是56.36.故答案为:56..3 5 .8 ,56.4,56.36.
=620×38/40 =589