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六年级数学口算竞赛题
×6= 2.8×25+12×2.5= 12.5×32×2.5= 5-=
45×101= ×6= 270÷18= 1.25-0.25+0.75=
×÷×= 18×(++)= 5.28―(0.28+0.2)= +=
7÷1.4= 72.8÷0.8= 0.77+0.33= (+)×12=
1.25××8= 10-0.9= 8.2+0.54+0.46= -=
-+= ×= 26.26÷26= 7.9×11-7.9= ×=
×= 0×= ÷0.6= 4.57+6.43= 1.25-0.25+0.75=
×= ×= 0×= ÷=
÷4= ×= 5÷= ÷= ÷=
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