直接写出得数.5.4+3.6= 9×0.25= 0.15×7= 1.25﹣0.25=0.125×4= 0.1×0.1= 10.2×4.5= 1.25×8×0.5=
脱式计算.2+×(0.6﹣0.25) ×+÷ 8×6.5﹣148×0.65×(﹣)+15% ×[÷(×)]
脱式计算,能简算的要简算.①1÷[×(1﹣)] ②3.8×99+3.8 ③2700×(506﹣499)÷900④÷[×(﹣)] ⑤33.02﹣(148.4﹣90.85)÷2.5 ⑥÷7+×.
脱式计算.(能简算的要写出简算过程)14.5﹣(8.3﹣5.5) 34×+ 56×(﹣)÷3.8﹣1.9+7.2﹣8.1 (+﹣)×24 ÷9+×.
灵活计算下面各题.2﹣2÷3﹣ 25×2.5×32 ×(+)+0.85.02﹣1.37﹣2.63 20%++80%﹣ .
计算下面各题.①1.3﹣3.79+9.7﹣6.21 ②3.64÷4+4.36×25%③÷[+(1﹣)] ④+〔÷(+)〕