直接写出得数.5.43+1.07= 3.05×0.4= 0.46÷4.6= 3.7﹣2.9= 0.8×1.25=0.27÷3= 70÷0.5= 0.25×0.4= 1.7+0.43+3.3= 9.8﹣2.6﹣2.4=
能简算的就简算. 0.25×+2.5%9.6﹣11÷7+×45.125×+2.875÷4.
脱式计算,能简算的要写出简算过程. (8﹣10×)÷19﹣19×﹣0.8+35÷.
脱式计算,能简算的要简算. (1) (2)2.5×0.875+0.25×1.25 (3) (4).
脱式计算. ()×0.25[3.6﹣(1.6+)﹣]××[﹣(﹣0.25)](1+)×(1+)×(1+)×(1+)×(1+)
计算: ①+﹣=②3.2﹣0.85﹣1=③3.2×﹣÷2=④1.725×4×0.5= ⑤(+)÷=⑥1.8×0.72+1.28×1.8=⑦2÷(﹣)=⑧57.6÷[(1.25+25%)×0.32]=.