除法与验算6÷3=22x3=648÷2=2424x2=4864÷2=3232x2=64被除数÷除数=商商x除数=被除数5÷3=1······21x3+2=547÷2=23······123x2+1=47被除数÷除数=商······余数商x除数+余数=被除数被除数÷除数=商商x除数=被除数被除数÷除数=商······余数商x除数+余数=被除数56÷7=8验算:7x89÷4=2······1验算:2x4568+19计算632÷4怎么能验算你是否做对?计算891÷7怎么能验算你是否做对?计算并验算。75÷398÷6245÷2357÷3
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