直接写出得数.382﹣297= += ÷2= 3.8+6.2= 8.1÷3×2=×33= 68﹣198= 0.65÷1.3= 75×10%= 0.75﹣(0.75+3.4)=1÷= 1÷0.01= ﹣= +×2= 48×(﹣)=
计算下面各题,能简算的要简算. 4﹣+2.01×1001﹣2.01(+)÷×[1÷(﹣)]2+1÷(1﹣)
脱式计算(能简算的要简算) 14.37﹣5.63﹣4.37 5÷13+27×+.
脱式计算 (1)7.43+4.85﹣2.43 (2)×[(﹣)÷] (3)+×(﹣) (4)5.8×0.375+8.625×5.8.
简便计算.(要写出简算过程) (1)4.05﹣2.86﹣0.14(2)75×60%+24×+0 6.
586×124+29×586﹣586×5321×(+++) 28×5+2×4×35+21×20+14×40+8×62++++++.