42.4+7.6= 1.58+2.42= 23.5+76.5÷0.25= 7.8﹣5.6=1.25×4= 34.6÷0.2×4= 0.24÷0.3= 7.8×0.5=1÷0.2﹣1×0.2= 57÷5.7= 8.1﹣0.05= 0.2×0.5=
计算,能简算的要简算. 1.08×0.8÷0.93.4×5.3+6.6×5.30.25×12.5×0.8×4 7.28+3.2÷2.51.8×10244.28÷0.9÷4.1.
怎样算简便就怎样算. 4.3+5.4﹣6.815.17﹣6.8﹣3.2 12.75﹣(2.75+6.8)1.27+3.9+0.73+16.1.
计算,能简算的要简算: 2.65+1.7+1.35+8.32.7×2×0.518×5+12×5.
计算,能用简便方法计算的用简便方法计算 32×125×2.594÷(6.25×10+3.75×10)
能简算的要简算. 9×3.6﹣4.84÷0.410.7×16.1﹣15.1×10.7 8×〔13﹣(6.88+5.22)〕1.2÷[2.5×(4.3﹣2.7)].