. . 脱式计算（能简算的要简算）2.5 ×7.1 ×4 16.12×99＋16.12 5.2×0.9 ＋0.9 64－2.64 ×0.5 7.28 ×99+7.28 4.3×50×0.2 (2.275 ＋0.625) ×0.28 3.6×9.85-5.46 3.94+34.3 ×0.2 1.2×(9.6 ÷2.4) ÷4.8 26×15.7+15.7 ×24 8.05 ×3.4+7.6 6.58×4.5 ×0.9 2.8×0.5+1.58 2.7×5.4 ×3.9 32＋4.9 －0.9 4.8－4.8 ×0.5 (1.25－0.125) ×8 8.9×1.1 ×4.7 4.8 ×100.1 56.5×99＋56.5 7.09×10.8 －0.8 ×7.09 4.85+0.35 ÷1.4 8.7 ×17.4-8.7 ×7.4 9.5×101+3.8 ×10.1 . . 12.5 ×0.4 ×2.5 ×8 0.87×3.16+4.64 0.68 ÷（5.2 -3.5）×1.25 40.5 ÷ 0.81 ×0.18 4.8×（15÷2.4 ） 2.13×0.8 ×2.5 6.81+6.81 ×99 0.25×185×40 4.4×0.8 －3.4 ×0.8 9.5×99 (9.37+9 ．37+9.37+9．37) × 2.5 4.2×1.75 ＋1.8 ×1.75 3.8×10.1 2.37 ×6.3+2.37 ×3.7 2.5×1.25 ×0.32 2.5×(3.8 ×0.04) 7.69×101 0.25 ×39+0.25 0.125×72 46×0.33+54×0.33 36.72 ÷4.25 ×9.9(8 ×5.27) ×1.25 6.81+6.81×99 0.25×185×40 12.5×8.8 . . 6.8 ×0.75 ÷0.5 3.75÷0.125– 2.75 1.53+23.4÷7.2 13.5×0.98 4.07 ×0.86+9.1 25.67×0.2-0.62 18.1×0.92+3.93 0.043 ×24+0.875 0.4×0.7 ×0.25 0.78+5.436+1 36.72÷4.25 ×9.9 3.416÷（0.016 ×35）0.8 ×[(10 －6.76) ÷1.2] (6.8-6.8×0.55) ÷8.5 0.12× 4.8 ÷0.12 ×4.8 9.72 ×1.6-18.305 ÷7 3.2×（1.5+2.5 ）÷1.6 3.2×6+（1.5+2.5 ）÷1.6 （3.2 ×1.5+2.5 ）÷1.6 0.12× 4.8 ÷0.12 ×4.8. . 0.8 ×〔15.5-(3.21+5.79)〕 19.4×6.1 ×24 （31.8+3.2 ×4）÷5 31.5×4÷(6+3) 0.64×25×7.8+2.22÷2.5+2.5 ÷2 194 －64.8 ÷1.8 ×0.9 36.72÷4.25 ×9.9 5.67 ×0.2-0.62 0.8×[(10 －6.76) ÷1.2] 18.1×0.92+3.93 0.4 ×0.7 ×0.25 0.75×102 10.1×89-8.9 9.07-22.78 ÷3.4 5+7×(8+12) ÷(4-2) 2.64×1.7-2.64 ×0.7 . . 31.5 ×1.07-3.15 ×0.7 2.7×5.7-2.7+5.3×2.7 0.625÷0.125×0.8 18.6 ×6.1+3.9 ×18.6 52.5x2.9+5.45 0.92x15+0.08x15 0.72 ×1.25 ×2.5 400.6x7-2003x0.4 1.25×(8+10) 1.24+0.78+8.76 3.2x0.125x2.5 0.4 ×125×25×0.8 14.8×6....
