怎样简便怎样算.×16× ÷12÷ ÷[(﹣)×24] ×+÷ ++× ÷(+)
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=
水结成冰后,体积增加了,当冰融化水后,体积减少几分之几?
把米长的绳子平均分成4段,每段长 米,每段占全长 .