想一想,填一填.(1)商是一位数,□里填 .商是两位数,□里填 .(2)商是一位数,口里填 .商是两位数,口里填 .
直接写出得数. 180÷6= 12.25﹣0.5=﹣0.5= 202= 23+177%= 2.5×4=﹣= 3π=×=+= 0.6÷= 2÷1%=
350×0.02= 1﹣25%= 1+15%= 12﹣7.9=×=﹣=(﹣)×24= 16×= 131131÷131=××0= 1÷﹣÷1= 12.5×0.08= 0.9+99×0.9= 7.8×0.25×4=﹣+= 0.52×100=×8+8×=×21×= 98﹣0.23﹣0.77=+÷= 44÷= 9300÷5÷6= 0÷= 1997+1998+1999+6=
直接写出得数. 4+4.73= ÷9= ×÷×= 4 ﹣4 = 375÷1 = ×2÷×2= 36+0.4= 5×32×2.5= 1÷0.9= 8×(12+0.5)= = = = = = = = = = = = = = = 35+0.4= 8×(12+0.5)= 4×0.8×2.5×12.5= = = = .
直接写出得数. 1﹣0.09=0.45×101= 2÷0.02= 0.25×0.7×0.4=×= 5﹣=÷= 2.72+3﹣2.72+3=
直接写出得数. 1.9+3.01= 0.23×400=÷= 5×÷×5= (+)×15=××=﹣= 10﹣﹣0.875=