冀教版五年级上册计算题.docx

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1、五年级上册计算题8X2.5=0.2+0.78=1.8X0.3=0.1-0.02=0.3X0.2=2.4X100=8X12.5=0.1+0.89=2.6X0.3=0.1-0.O1=0.6X0.02=7.8X1000=8X12.5=0.48+0.35=2.6X0.3=20-5.6=0.6X10=7.8X1000=3.5X10=9.6X100=0.07X1000=0.786X10=0.479X100=0.12X100=3.56IOOO=19100=0.91X1000=0.42100=73IOO=0.11X100=2.40.8=5X0.4=10.5100=3.6X10=90.2X100=53.810=

2、85100=510=12100=0.36X10=1.8X3=0.94X25=3.2X34=2.34X6=16X0.85=1.5X72=6X0.57=0.72X3=45X0.9=0.46X18=0.84X26=3.85X45=4.2X30=6.15X45=4.8X3.6=0.45X0.9=1.8X0.85=3.7X0.9=0.86X0.12=12.5X0.8=1.21X0.17=0.74X2.5=0.25X1.2=1.8X23=3.7X2.5=4.25X0.16=2.3X4.8=0.47X5.2=5.03X0.24=4.9X0.63=6.07X6.7Q（结果保留一位小数）0.32X0.56=3.

3、09X1.7（积保留一位小数）0.36X5.7=5.09X1.6%（积保留一位小数）0.32X8.51.36X0.05（积保留两位小数）52=7.24=5.46=22.47=756=98.44=848=15.216=64.515=135=2.73=0.31.2=27.3618=94016=91.23.8=8.252.5=0.91.5=3.424.5=0.0020.1=7.561.8=1.42.5=9.60.6=3.060.3=1.80.9=4.20.7=3.610=0.630.9=7.20.6=0.12X5=4.7+3.8=O.850.34=2.450.35=480.06=0.655=0.88

4、0.8=2.240.8=540.16=19.191.9=900.15=901.25=5.280.16=93612=9.361.2=8448=8.40.48=9447=0.940.047=2.10.8=9.360.48=3.757.5=4.483.5=7.83.9=12.31.5=.40.8=6.60.6=2.50.5=3.57=（商用循环小数表示）8.063.1=2.818%（得数保留两位小数）1.890.5411.972（得数保留两位小数）1.143.8=（商用循环小数表示）407.5=（商用循环小数表示）120.90.39=（商用循环小数表示）5.63.7=（商用循环小数表示）1.262.

5、8=2.818=4.32X0.15-0.248200.5-3.4514-20142898.5-125251322.8X3+12.9X26.7+1.431.11220(12+4)79.8(1.2+4.5)X8.3(48-64.63.4)X0.6(4.8+12.5)X(8-2.4)(967-31)(17+48)307.5(2.7-1.2)4.5+1.431.3-1.23(4.19+2.06)0.0525.8+3.4X1.198.2+1.82.412.5X26-2743.2(2.25+2.58)1200-(15+20)X328.6-(5.8-1.6)3.52. 5X0.40.819.22.4X0.1

6、73. 7(19.2-11.8)(15.4+0.6)0.25160+240X0.3-902.51.8(6.4-3.9)(660-753)540.2(0.611+5.4)(2.8+3.24)1.54.61.5+3.83(12.4-3.8)4.3X7.62.5(3.2+1.80.02)2.5(3.2+1.8)0.022.4(0.8+3.4)0.765(10.1-4.9)6.48(10.1-8.9)(3.15+0.85)2.58.3+(3.6+2.9)0.728.6-(2.8-1.6)3.725.8+3.8X1.22.21.5+4.50.7515.8+(22.4-19.2)6.4简便运算：4X0.5

7、X0.25X2(12.5+1.1)XO.87.08X2.7+7.08X7.30.25X3.68X42.73X0.5X63.2X15+15X6.81.25X25.5X81.8X1053.7+4.5+6.33.5X24+1.5X242.7 X0.8+2.7X1.22.8 X3.6+1.4X2.888X0.25X473X10.1+2710.110.07X9+10.072.03X0.4+2.03X9.62.51.250.4640.25X0.03X46.3+0.84+3.7+8.1610.1X78199.8X8.8+199.8X1.280-3.67-5.330.8X0.25X0.4X12.5101X9.

8、87-9.875.8X101-5.810.1X2.31.25X16.7X0.812.5X7.5X1.60.078X9+0.07815.82.3-5.8X2.30.25X16.7X41.25X2.5X32解方程x+94=300-42=594x=64x15=3x+58=793x=43836+x=60-7.5=107.5x=15x7=14x+29=68-26=187x=9.113+x=16.6x5=1060x=12-27=5x9=802x+10=605-=1366-54=303.5x+4=4.742+3x=1502x7=67-2x=1409.3x5.7x=4.53x=1202-4=347x+877=

9、146317+2x=29137+4x=1279-2=2.53-0.9=0.64x+3x=687x+24=453.5+2x=125.8x+9.2x=7225x+35=4604-1.6=187.7+3x=12.25x+7=42x4.2=34.6-=4.322x+1.5x=17.5-3.5+8=16-0.4x=248.33+10x=54.96-12.6=188-4.8x=1.67.6x+4.4x=156x9=0.48x-414=03.2x+0.8x=2412.6x=0.21O.3xO.9=4.5x+1.8x=8.4x12.5=0.2442x25x=3.46+1.8x=16.8（1.8+优）7=15.4