7000÷125 =7*(1000÷125) =7*8 =56
7000除以125=7*1000÷125=7*8=56
7000/125=7X1000/125=(1000/125)X7=8X7=56
7000÷(125x8)=7000÷1000=7
7000÷125=(7000x8)÷(125x8)=56000÷1000=56 (根据除法性质)
7x(1000÷125)=7x8=56
7000÷125 =7*1000÷125 =7*(1000÷125)=7*8=56
7000÷125用简便算法=(7000x8)÷(125x8)=56000÷1000=56
你好!7000÷125x8=7*1000÷125*8 =7*(1000÷125)*8=7*8*8=56*8 =448 仅代表个人观点,不喜勿喷,谢谢.
int result[]={56,0};int divArr[]={7000,0};int func_125(int x){ int iret = 0; for(int i=0; divArr[i];i++) { if(divArr[i]==x) { iret = result[i]; break; } } return iret;}