116+225+275
6+=10 10-=3 5+=8
5+=10 1-=0 +2=9
8+9= 14-8=15-7=12-4=11-3=13-5=
8+2= 6+7= 8+4= 15-8= 14-2=
10+6= 12-9=18-9=
3.6÷1.2= 0.72÷0.9= 2.6÷13= 4.8÷0.4=
4.4÷4= 0.78÷6= 7.2÷0.4= 1.98÷0.78=
(只)