简算0.45×201 1.6×55.4﹣55.4×0.6 5.8+2.49+8.51+4.2 1.25×0.32×2.5.
用你喜欢的方法计算下面各题. 450÷18+375 3.68﹣0.82﹣0.18 36×(+)×24﹣6×﹣(+)8.24﹣8.24÷419÷[(+)÷]×÷+×71+19÷.
简便计算.×+×(+﹣)×7218.38+4.62﹣2.38.
(1) (2).
计算下面各题(怎样简便怎样计算)×3.25+9×3÷(×)﹣3.64÷4+4.36×25%25×1.25×32.
2.05÷(1.5+0.55)×99%(×﹣)÷ 87.5%×+12.5%××(+)÷.