1.32÷0.132得到的是十。16.65-十等于6.65。6.65x15.4就只好列竖式计算了。
15.4×(16.65-1.32÷0.132)
=15.4×(16.65-10)
=15.4×0.65
=7.7×1.3
=7.7×(1+0.3)
=7.7+2.31
=10.1
(1)440;(2)364;(3) ;(4)102.21;(5)2;(6) ;(7)20.5;(8)10
15.4×(16.65-1.32÷0.132)
=15.4×(16.65-10)
=15.4×6.65
=102.41