直接写出得数.1÷0.125= 9.3﹣3.9= 3.4+4.6= 0.25×8=1.2÷0.3= 10.72﹣3﹣7= 8÷0.08= 15.1+4.9=6.3÷0.3= 6.7×0.33×0= 26÷(1﹣0.9)= 1.2×5÷1.2=
直接写出结果. 0.25×0.8×4=10.5÷0.25÷4=10.1×99﹣9.9=7.63×9.9+0.763= 9.6÷(9.6×4)=1.25×88=4×0.8×2.5×12.5=16.15÷1.7+0.85÷1.7=
用递等式计算.(能简算的要简算) 4.86×9.7+0.486×3(1.25+12.5+125)×80.01+3.75×0.8÷0.25 97.73﹣(17.73+4.9)﹣5.15.4÷(3.94+0.86)×0.8(8.1﹣5.4)÷3.6+8.5.
计算,能简算的要用简算. 9﹣4.8÷6×0.5 2.16÷[64.8﹣(51.3﹣2.7×3] (1.4×0.3+2.46)÷1.8 (2.5÷2+2÷2.5)×0.4 3.71+3.71×17.4﹣8.4×3.71 1.2+8.8×1.25.
下面各题,能简算的要用简便方法计算. 3.9+0.56+6.1+0.44 50÷2.5+1.8×4.5 6.87×[40÷(3.49﹣3.09)] 0.8×(12.5+0.125)
能用简便算法的就用简便算法 19.8+86.43+20.285×101﹣85 15.52﹣1.6×5﹣5.7[10.5﹣(5.6+3.2)]÷6.8.