1.6×0.25×12.5简便计算 33×1.03简便计算 5.6×99＋56×0.1简便计算 6.83×101－6.83简便计算
问题描述：
1.6×0.25×12.5简便计算 33×1.03简便计算 5.6×99＋56×0.1简便计算 6.83×101－6.83简便计算
答
1.6×0.25×12.5=4*0.4*0.25*12.5=4*0.25*0.4*12.5=0.4*12.5=533×1.03=33*1+33*0.03=33+0.99=33.995.6×99＋56×0.1=5.6*99+5.6*10*0.1=5.6*（99+1）=5.6*100=5606.83×101－6.83=6.83*（101-1）=6.83*100=683...