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练习一,北师,二年级上册,我会算。,56+21+18=,95,96-34-35=,27,48+32-16=,64,连加,连减,加减混合,它们的,运算顺序,都是,从左往右,算。,46+34+16=,(个),96,80-25-39=,(个),16,西瓜子的粒数,绿色圃中小学教育网,http:/,100-23-40=,(元),37,100-23-15=,(元),62,45+40+15=,(元),100,85+15=,(元),100,3.,56+21+18=48+32-16=39-13+47=,96-34-35=57+22-45=100-69+25=,95,64,73,27,34,56,89,52,24,88,22,100,36+18+45=,(根),99,36+18-10=,(根),44,36+18=,(根),54-10=,(根),54,44,(,1,)第三小队收集了多少节废电池?,(,2,)第四小队收集废电池的节数比第一小队和第二小队的总和少,23,节。第四小队收集了多少节?,95-32-36=,(节),27,32+36-23=,(节),45,二(,1,)班开展“争做环保小卫士”活动,下面是三个小队上周末收集废电池的情况。,90-24-30=,(下),36,91,-26-30=,(下),35,94-29-29=,(下),36,36,36,91,35,92,-26-30=,(下),36,92,36,93,-26-30=,(下),37,93,37,(,1,),(,2,),在空格里填数,使横着、竖着、斜着三个数相加的和都是,30.,聪明屋!,8,30-12-10=,8,30-13-8=,9,9,11,30-10-9=,11,7,12+10+()=30,14,6,
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