一、口算。
$6×6=$ $3×9=$ $27÷6=$
$82-45=$ $36+26=$ $14÷7=$
$5×5=$ $64-32=$ $15÷3=$
$4×8=$ $5×7=$ $27÷4=$
$24+42=$ $73-44=$ $28÷5=$
$9×5=$ $9×4=$ $35÷7=$
$26+47=$ $81-52=$ $48÷6=$
$66-38=$ $2×8=$ $30÷8=$
$7×3=$ $6×4=$ $55÷9=$
$92-73=$ $23+48=$ $42÷8=$
$6×6=$ $3×9=$ $27÷6=$
$82-45=$ $36+26=$ $14÷7=$
$5×5=$ $64-32=$ $15÷3=$
$4×8=$ $5×7=$ $27÷4=$
$24+42=$ $73-44=$ $28÷5=$
$9×5=$ $9×4=$ $35÷7=$
$26+47=$ $81-52=$ $48÷6=$
$66-38=$ $2×8=$ $30÷8=$
$7×3=$ $6×4=$ $55÷9=$
$92-73=$ $23+48=$ $42÷8=$
答案
$6×6=36$ $3×9=27$ $27÷6=4······3$
$82-45=37$ $36+26=62$ $14÷7=2$
$5×5=25$ $64-32=32$ $15÷3=5$
$4×8=32$ $5×7=35$ $27÷4=6······3$
$24+42=66$ $73-44=29$ $28÷5=5······3$
$9×5=45$ $9×4=36$ $35÷7=5$
$26+47=73$ $81-52=29$ $48÷6=8$
$66-38=28$ $2×8=16$ $30÷8=3······6$
$7×3=21$ $6×4=24$ $55÷9=6······1$
$92-73=19$ $23+48=71$ $42÷8=5······2$
$82-45=37$ $36+26=62$ $14÷7=2$
$5×5=25$ $64-32=32$ $15÷3=5$
$4×8=32$ $5×7=35$ $27÷4=6······3$
$24+42=66$ $73-44=29$ $28÷5=5······3$
$9×5=45$ $9×4=36$ $35÷7=5$
$26+47=73$ $81-52=29$ $48÷6=8$
$66-38=28$ $2×8=16$ $30÷8=3······6$
$7×3=21$ $6×4=24$ $55÷9=6······1$
$92-73=19$ $23+48=71$ $42÷8=5······2$
二、单位换算。
$0.5$米$=$(
$1.25$米$=$(
$2.08$米$=$(
$3$米$20$厘米$=$(
$2.05$米$=$(
$0.5$米$=$(
50
)厘米 $300$厘米$=$(3
)米$1.25$米$=$(
125
)厘米 $110$厘米$=$(1.1
)米$2.08$米$=$(
2
)米(8
)厘米 $22$厘米$+38$厘米$=$(0.6
)米$3$米$20$厘米$=$(
3.2
)米 (45
)厘米$+35$厘米$=0.8$米$2.05$米$=$(
205
)厘米 $20$厘米$+$(80
)厘米$=1$米答案
二、50 3
125 1.1
2 8 0.6
3.2 45
205 80
125 1.1
2 8 0.6
3.2 45
205 80
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