① 直接写出得数。(每题1分,共20分)
$654-321=$
$587+26=$
$901×7=$
$814×50=$
$73-47=$
$876+345=$
$365-18=$
$234×8=$
$672÷6=$
$330÷3=$
$603×40=$
$910÷7=$
$159+31=$
$307-89=$
$1060-543=$
$128+92=$
$314÷100=$
$24÷10=$
$6.15÷100×10=$
$0.92×100=$
$654-321=$
$587+26=$
$901×7=$
$814×50=$
$73-47=$
$876+345=$
$365-18=$
$234×8=$
$672÷6=$
$330÷3=$
$603×40=$
$910÷7=$
$159+31=$
$307-89=$
$1060-543=$
$128+92=$
$314÷100=$
$24÷10=$
$6.15÷100×10=$
$0.92×100=$
答案
1.333 613 6307 40700
26 1221 347 1872
112 110 24120 130
190 218 517 220
3.14 2.4 0.615 92
26 1221 347 1872
112 110 24120 130
190 218 517 220
3.14 2.4 0.615 92
② 列竖式计算,带※的要验算。(每题3分,共12分)
$307×24=$ $750×36=$ $526×45=$ $※374÷24=$
$307×24=$ $750×36=$ $526×45=$ $※374÷24=$
答案
2.竖式及验算略
7368 27000
23670 15……14
7368 27000
23670 15……14
③ 计算下面各题,能简算的要简算。(每题3分,共18分)
$276-35-15-50$
$712+317-512$
$1030-(720-540÷18)$
$72×125×8$
$16×25×5$
$125×64+125×36$
$276-35-15-50$
$712+317-512$
$1030-(720-540÷18)$
$72×125×8$
$16×25×5$
$125×64+125×36$
答案
3.176 517 340
72000 2000 12500
72000 2000 12500
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