四年级上册数学计算题一、竖式:三位数乘两位数135×45108×2554×31247×210138×54126×8945×240203×32312×25437×2882×403208×2436×137479×85406×23460×23305×56624×7846×589353×56二、竖式:三位数除以两位数、验算336÷21858÷39918÷27888÷37645÷32432÷46630÷31966÷23731÷79980÷28828÷36689÷34618÷88961÷19372÷45294÷29328÷42395÷56765÷74840÷35三、简便计算1
加法交换结合律:48+25+175125+75+320128+89+723153+38+162129+235+171+16557+288+143378+527+73167+289+3358+39+42+61163+32+137+268158+395+105822+197+7875+34+125+366578+143+22+572
乘法交换结合律(一):25×125×32(15×25)×438×25×435×2×5125×5×8(60×25)×4(125×5)×825×17×4(25×125)×(8×4)25×17×438×125×8×35×289×2125×5×8×29×8×12537×8×12543×25×4125×50×242×125×860×25×413
乘法交换结合律(二):125×3224×125125×56125×72125×1648×125125×6425×3625×3225×1625×2425×284
乘法分配律(一):34×72+34×287×48+7×5235×37+65×3785×82+82×1534×13-34×325×97+25×376×25+25×2416×17+16×2327×36+