六年级下学期口算题

一:小学六年级下册口算题 636-198= 9-0.9= 0.4×0.2= 7.25+2.75= 35 +13 = 0.8×12.5= 10÷0.1= 1.5×0.5=  4.2÷0.2= 0.5÷10= 27+68= 910-540...
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