108除以5,商和余数各是多少?
选择最适合的方法,写出递等式计算的过程39.6﹣6.53+3.47. 0.0125×32×0.25. [90﹣(8.25÷0.6+1.25)]×0.01.38×2.5+76+38×5.5. 3.6×31.4+43.9×6.4. 5.7×5.7+5.7×4.2+5.7×0.1.
计算,能简算的要简算7.26+3.2÷2.5 14.6﹣4.6×2.8 0.8+0.8+…+0.8+15×0.2 15个0.814.5×102 4.05÷0.5﹣1.14 9.99×99+9.99.
递等式计算,能简算的用简便方法算:8.46﹣8.46÷4+4.985 43.56÷12.5 6.4×3.28+4.6×3.28﹣3.28 99.9×10.1.
下面各题怎样简便就怎样计算(1)12.64﹣(3.96+4.64)(2)36.26﹣4.78+3.74(3)7.34+7.57+12.66+6.43 (4)78.65﹣23.12﹣14.88.
下面各题,能简便算的要简便(100+8)×0.125 4.8×1025.8×8.5+5.8×0.5+5.8 (1.5+4.6)×(4.6﹣1.5)