1 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 2 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 3 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 4 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+2.2 2÷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 5 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 14.8×6.3-6.3×6.5+8.3×3.7 1.24+0.78+8.76 1.8+18÷1.5-0.5×0.3 6.5×8+3.5×8-47 1.24+0.78+8.76 3.7x2.56-2.3 3.2x0.125x2.5 0.4×125×25×0.8 6 1.24×8.3+8.3×1.76 1.24+0.78+8.76 14...
