三年級(jí)計(jì)算練習(xí)33天:第二十四天
計(jì)算時(shí)間: 正確率:
(1)46×53 = (2)29 ×31 = (3)55×29= (4)36 ×24=
。5)44 ×88 = (6)81 ×72 = (7)56 ×75= (8)60 ×38 =
。9)48 ×53 = (10 )42 ×52 = (11 )899 ÷29 =(12 )864 ÷24 =
(13) 625 ÷25= (14) 297 ÷27 = (15) 999 ÷27 = (16) 306 ÷18 =
(17) 612 ÷18= (18) 315 ÷15 = (19) 192 ÷64 =(20) 256 ÷16=
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