精选欢迎下载六年级数学计算题训练计算下面各题:(1–61×52)÷9771÷32×71211–(91+125)254×43–50125÷(87–65)158+32–43(65–43)÷(32+94)51×[31÷(21+65)]12÷(1–73)[(1–61×52)]÷97[(1–53)×52]÷4用简便方法计算:(51–71)×7097×96553×8+53×215×73+15×74(98+43–32)×7272×(21–31+41)(95+131)×9+13430×(21–31+61)12×(21–31+41)51+94×83+654–52÷158–4148×(31–21+41)256÷9+256×9824×(61+81)精选欢迎下载(53+41)×60–275–61–65用简便方法计算:98×(9+43)–3287÷32+87×2154+85÷41+212–98×43–3130×(61+52–21)87+32÷54+6110÷101110+24121÷1254×31+5
2×31+1÷43直接写出得数
125=555×13-111×15=25×0
25=125-25+75=999×15=10-3
25+9÷0
125=55×(331-441)=20042003×2005=10137-(441+3137)-0
75=解方程:185+X=12112X–91=983X–1
1X+32–21=18175
5x–3x=1
75X+53=107解方程:2512X=15×53X×(61+83)=1213X×(1+41)=25(1–95)X=158精选欢迎下载X×54×81=10X×32=8×43X×72=21815÷X=65解方程:X×43×52=18X×109=24×81X×31×53=4X×72=18×313X=107X–4X