一辆载重3吨的货车上,装重300千克的机器能装几台?
下面各题怎样算简便就怎样算. 18.65﹣3.7+1.35﹣6.330×[3.61÷(7.2﹣5.3)] 36÷[1.44×(0.1﹣0.05)](16.5×3+3×7.5)÷6.
神机妙算: 0.8×6.5﹣×3.5(+)×451﹣÷+ 25×1.25×3299×+1﹣﹣.
(1)79.76+84.7×0.2(2)15.37+28.44+12.56 (3)(2.3×8.8﹣2.3×0.8)×1.25(4)[5.2﹣(2.5+7.5÷5)]×1.2.
用递等式计算,能简便计算的用简便方法计算 (1)37.7÷13+1.8×2.4 (2)1.25×3.2×0.25 (3)1.06×(2.9+1.6)÷0.01 (4)6.27×5.2+5.8×6.27﹣6.27 (5)50.5÷[(15.6﹣3.5×4)÷3.2].
计算下列各题(能简算的要简算): 4.32÷2.4×1.7; 16.2×4.5+3.8×4.5; 9.05﹣3.86﹣3.14; 7.28+0.72÷0.9.