时间:2022-11-30 20:48:54 下载该word文档
24X11=25X22=35X13=76X14=24X77=36X43=19X23=65X15=77X17=42X26=74X14=42X28=328-4=432侮819-9=竖式计算43X26=36X34=57X18=38X18=125X8=53X18=28X32=69X12=34X49=56X24=37X18=38X25=215-5=872-8=161-7=脱式计算240X2+6300-129-3128+18X6312X(300-296)(128+132)+5840+4X336X30+129864-12X2415X8X725X12+654078+14X6+9+623X44-5825X24+1251500-125X8320+16(25+38X)27X15(48+52)+2(59+187)+3(62+12)X38(7X8X3212+20)X45(48-12