三年級計(jì)算練習(xí)33天:第二十五天
計(jì)算時(shí)間: 正確率:
。1)21 ×58= (2)38 ×62 = (3)15 ×32 = (4)44 ×71 =
。5)32 ×82= (6)36 ×72 = (7)24 ×75= (8)70 ×28 =
。9)27 ×46 = (10 )39 ×25= (11 )143 ÷11 =(12 )444 ÷12 =
(13) 420 ÷35= (14) 972 ÷36 = (15) 999 ÷37= (16) 306 ÷17=
(17) 612 ÷34 = (18) 315 ÷21 = (19) 192 ÷12 = (20) 166 ÷83 =
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