这题答案是726减86乘以15除以6的简便计算方法是,先除法约分,得726减86乘以2.5,再算乘法得726减2l5,通过计算结果是51l
726-86×15÷6简便算法
=726-86×(10+5)÷6
=726-(86×10+86×5)÷6
=726-(860+430)÷6
=726-215
=511+215-215
=511
这题答案是726减86乘以15除以6的简便计算方法是,先除法约分,得726减86乘以2.5,再算乘法得726减2l5,通过计算结果是51l
726-86×15÷6简便算法
=726-86×(10+5)÷6
=726-(86×10+86×5)÷6
=726-(860+430)÷6
=726-215
=511+215-215
=511