小学六年级数学总复习资料（简便计算）口算下面各题。（23分）10-2.65=0.9X0.08=528-349=6+14.4=1.9X4X0.5=12.34-2.3=0+3.8=0.77+0.33=7+1.4=5-1.4-1.6=67.5+0.25=7.2+8X4=31400+125+824+0.04=80X0.125=_+3X_=32/2、1/11、6-+6=2-()=10-X2=(一)X12=85755463.2X7+3.2X7=187.7X11-187.7=51-+62.5%=8写出下列每题在简便运算时所运用的定律或者性质（12分）4.3+3.2+5.7+6.8( )41+3.2+5 2 +6.843( )7.8- (2.8-0.136)()16+2.5()25X(8X0.4)X1.25()1293.5+3-+27()三、用简便方法计算（1125-99765分)998+1246+9989(8700+870+87) + 87125X 8.81.3+4.25+3.7+3.7517.5- (3.5-2.85)3.4X 99+3.44.8X 1.010.4X ( 2.5+ 73)64.2X 87+0.642X 1300(1.6+1.6+1.6+1.6)X250.125X0.25X6447152131778X36+7.8X741-7+2+X17+X859511921124.25-3 (2 -1 )66 43.8+ 3.9+3.9+0.1+ 3.912.1- ( + ) X 10515 217113125X+0.125X+0.52.42+-+4.58X1-1+425+100一8224326在算是中填上一个数，使它能用乘法分配律进行简便计算，并计算出答案X15+0.12+()25