有理数除法:
(1) 36÷(-3)= -12
(2) 0÷(-5)= 0
(3) 8÷(-0.2)= -40
(4) -18÷0.6= -30
(5) 48÷[(-6)-4]
=48÷(-10)
= -4.8
(6) (-12)÷4×(-6)×2
=(-3)×(-12)
=36
(7)( -1)×(-2)+(-4)×(-5)
= 2+20
=22
(8) (-2)÷二分之一= -4
(9) (-八分之七)÷(-四分之三)
= 7/6
=1又1/6
(10)(-81)÷四分之九×九分之四÷(-16)
= (-36)×4/9×(-1/16)
= (-16)×(-1/16)
=1
(11)五分之二÷(2又五分之二)-二十八分之一×(-1又四分之三)-0.75
=2/5×5/12+1/28×7/4-3/4
=1/6+1/16-3/4
=(8+3-36)/48
=-25/48