计算(1)3.6﹣2.75+0.4﹣0.25 (2)0.75×(3)(4)(5).
直接写出得数.= = = = == = = = == = = = 1﹣1%=
直接写出得数.×12= ÷= ×= ÷= ÷1= ﹣=+= 20÷= ×21= ÷= 2÷10%= 16×25%=
直接写得数:2.7﹣= 5.6÷0.08= ÷= 36×10%= =×9×= ﹣0÷+1= 1÷﹣÷1= 小时:120分= 7﹣7÷8=
﹣2.7= 14×= ÷5=1= = == ﹣= == = == 24= == = == = == = == = == = =0.25×8= 3.4﹣﹣= +0.5=10.5﹣1.05= = 10.01÷10%=1.5×= 80%= 1×9=3×=
(1)= (2)= (3)= (4)=(5)= (6)= (7)1.25×4×0.25= (8)=