被除数分开,36/4-(4/5)/4=9-1/5=44/5=八又五分之四
36÷4-4/5÷4=9-5/4×4=9-5=4 = =..小学打好基础很关键。
(36-4/5)÷4=36÷4-4/5÷4 =9-1/5=8.8
(36-4/5)÷4=36X1/4-4/5X1/4=9-1/5=8.8
=36/4-4/5/4=9-1/5=8.8