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1、-、能用简便的要简便计算12.3X4X0.2512.96-(9.61.52)精选85X10.11.2+0.25+1.3X4103X0.25(4.8+6.4)+835+12540.5+0.81X1.0534.5X0.03+34.5X0.97(203.4+72.0+(1.3X0.2)8X 4.3X 12.597.5+ 0.39 136.7精选2.5X10286.4+0.24X0.254.2+2811.16+(100.7)(9.6+3.2)+0.8(30094.8)+0.50.125X1612.6+3.5(9.88.7)3.2X 5.6 11.40.648+ (0.4+ 0.5) X 0.6精选5.
2、74X99+5.748.9X1.1X4.74.75+3.25X2.4+7.62.7X5.4X3.93.8X1.4+18.2+0.73.6X9.85-5.464.8X0.258.05X3.4+7.64.7X 10.26.58X 4.5X 0.92.8X 0.5+1.587.63X99+7.63精选6.73+2.56+1.44+3.278X5.2+3.8X3.8+3.82.37 2.5 4(6.7+6.7+6.7+6.7)X2.51.5 1029.8254240g 16+ 0.532X 0.25X 0.1257.4 0.15X 2.82.8X3.2+3.2X7.2精选3.76X0.25-0.490
3、.008+0.92X5-1.280.25X4.78X47.8+(1.3X4)0.65X2017.2X0.9+0.01X7.21.2X 2.5+ 0.8X 2.58.6X 10.12.5X 7.1X416.12X 99+ 16.12(8.1-5.6) X0.9 1 X0.45.6X(12.5-8.5+0.85)精选5.2X0.9+ 0.98.25X4.08+0.75X4.08+4.084.3X 50X0.24.32+5.43+6.6864 2.64X 0.515.17 6.8 3.226X15.7+15.7X2412.75-(2.75+6.8)精选(2.275+0.625*0.281.27+3.
4、9+0.73+16.112.8- 4.9 5.13.94+34.3X0.21.2X(9.6+2.4)+4.86.75(0.9+3.75)8.9X1.1X4.71.34+ 1.8+ 3.66+ 0.2精选2.7X5.4X3.90.960.28+0.040.723.6X9.85-5.4612.78-(4.97+2.78)8.05X3.4+7.631.70.5X0.71.656.584.50.935.72-4.9-(5.72+5.1)2.8X 0.5+1.58111 3.67X 2.8 3.67X 7.2精选32+4.9-0.912.5X6.3+27X1.25+0.1250.014.8-4.8X0.
5、53.1+25.78+6.9(1.250.125)X815.25+4.72+4.75+5.284.8X100.134.82-(4.82+15.2)56.5X 99+ 56.57.28+0.94+2.72+0.06精选7.09X10.8-0.8X7.097.84+0.73-0.846.3X 99+6.34.85+0.35+1.48.7X17.4-8.7X7.415.7-4.35.712.5X0.4X2.5X81.6+0.41.6+0.40.87X 3.16+4.6462.8+ 2.5+ 0.47.3X 999.5X101精选0.68+(5.2-3.5)X1.25(1.25+2.5)X840.5+
6、0.81X0.189.42X1094.2X0.94.8X(15+2.4)1.8X2.48+1.52X1.8-0.52. 13.X 0.x 82578.76+0.4X 3.6X 2.5+1.246.81+6.81X 996.5X(10-3.7)+2.980.25X 185X 404.75+8.4+(9.2-6.8JX40精选4.4X0.83.4X0.819.8-0.6X0.6-0.640.125X 7.9X 16(9.37+9.37+9.37+9.37)X2.54. 2.x 1.+ 1.x 1.752.48X (7.3-5.8)+1.5X7.522.37X6.3+2.37X3.712.773-4
7、.5X(0.75-0.356)+9.23精选2.5X1.25X0.32(6.4+0.88户0.8+3.2X1.253.8X10.124-5.4+(0.63+1.290.23)2.5X(3.8X0.04)2.18+4.65+7.82+5.35+12.57.69X10115.84-2.17-3.833.8X10.1(25+2.5+0.25)X40.25X39+0.25(35.2X45.6+45.6X63.8+45.60.125X7212.25-3.1+0.85-6.1746X0.33+54X0.33(1.91.9X0.9)+(3.82.8)精选二、用竖式计算1.8+0.02=5.76X3=2.08
8、X7.5=0.72+0.9=90.75+3.31.05X2.4=0.2+0.01=16.9+0.131.89+0.54=0.25X40=3.7X0.0165.61+6.1=0.43X0.28=4.6X0.6=3.08X0.43=5.22+29=1.25X 0.8=5.2X 0.66.21+0.3=13.95+3.1 =5.5X66=6.4X0.51.3+0.95.93X0.767.8X0.35=5.25X521.84+0.732.088.4X0.25=0.042X0.5428.14+6.73.54X13精选4.1-1.2980.25X 0.0460.396+ 1.2=20- 5.674精选6.
9、84X7.451.08X2515.6X13=5.40.03636.72+2.40.125X1.4弋0.025X14=5.7785.4=110.7+0.5410.1+3.3=0.04X0.12=1.5X0.25=1.204+ 0.43=3.25X 9.04=6+1.2=9.2 2.3=精选3.5X0.2=7.15X2218.9+0.54=6.45X0.73=4.8 + 2 =1.553.90.35X8.6=1.5X26.7=8.4X 1.33.5X24=540.36=7.218-364.25X 24=35.4X 4,20.462+ 1.45.24+ 7.25.24+7.22.52X3.40.756+0.36=5.84+0.16精选87.11+3.12.5+0.7=3.06X36=8.02X3.5=1-0.01 =3.68X0.251.44+1.8=8,9X0.05=7.6X 1.05=4.48X 0.45.86+ 0.2416.32 51
