1.直接写出得数。(每题 1★)
$7×4=$
$18+52=$
$99-59=$
$5×8=$
$21÷7=$
$38-29=$
$4×2=$
$60-23=$
$5×3=$
$36÷9=$
$43+29=$
$3×6=$
$65+17=$
$76-25=$
$40÷5=$
$25÷5=$
$5×7=$
$18÷3=$
$7×7=$
$38-25=$
$43+28=$
$81÷9=$
$5×6=$
$37+20=$
$9×2=$
$4×9=$
$12÷6=$
$2×6×4=$
$36÷4÷3=$
$63÷9×2=$
$7×4=$
$18+52=$
$99-59=$
$5×8=$
$21÷7=$
$38-29=$
$4×2=$
$60-23=$
$5×3=$
$36÷9=$
$43+29=$
$3×6=$
$65+17=$
$76-25=$
$40÷5=$
$25÷5=$
$5×7=$
$18÷3=$
$7×7=$
$38-25=$
$43+28=$
$81÷9=$
$5×6=$
$37+20=$
$9×2=$
$4×9=$
$12÷6=$
$2×6×4=$
$36÷4÷3=$
$63÷9×2=$
答案
1.28 70 40 40 3 9
8 37 15 4 72 18
82 51 8 5 35 6
49 13 71 9 30 57
18 36 2 48 3 14
8 37 15 4 72 18
82 51 8 5 35 6
49 13 71 9 30 57
18 36 2 48 3 14
2.用竖式计算。(每题 3★)
$26+19=$ $42-39=$ $57+27=$

$53-24=$ $48+15=$ $61-35=$
$26+19=$ $42-39=$ $57+27=$
$53-24=$ $48+15=$ $61-35=$
答案
2.45 3 84 29 63 26(竖式略)
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