1.02﹣0.43= 1.25×8= (0.18+1)÷9= 7﹣2= 6.5×4×= (+)×4=
1﹣﹣= 6.3×10%= 3.75﹣2﹣= ﹣÷5= 4﹣(3.8+)= 1﹣1÷3=
(+)×35= 3×9+3= 5.38﹣(2.38+1.8)= 5﹣1﹣1.6= 14××= 4.4÷1=
1.25××8= 7.2÷8×4= 5﹣= 10.8﹣3.9﹣4.1= 2.5﹣+1= 1++=