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二年级上册口算过关练习题(1)
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47+53= 6×5 = 7×5 = 52+39= 1×8 =
2×9 = 27+53= 2×5 = 15+19= 8×5 =
76-43= 56-26= 9×5 = 74+18= 87-56=
8×7 = 60-46= 7×5 = 7×2 = 77-25=
53+46= 52+17= 24-2×5 = 87-7+20=
45-11+8 = 38+56= 57-18= 2×4 = 6×9 =
49+16= 33+53= 46+3= 3×4 = 58-21=
49-8= 3×1 = 75-56= 4×3 = 91-66=
6×5 = 52-7= 32+47= 6×5 = 4×4 =
7×6 = 6×9 = 43-22= 42-7-30=
38+25+10= 76-36+15= 63-59= 35-22= 79-75=
9×7 = 9×1 = 52+27= 43+20= 9×3 =
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