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三年级脱式计算题（500）
25+32×23 52+18×12 17+34×19
= = = = 37+16×28 21
= = 61+12×23 55
= = 38+25×31 49
= = 99+46×97 76
= = = 65+11×12 = = 43+21×23 = = 48+52×21 = = 44+81×33 = = 56+37× 45+32× 87+35× 31+98×
= = = = = = = = = ,.
38+53×47 67+81×90 99+54×56
= = = = = = 56+56×76 190+18×11 41+51×87
= =
96+72×44 77
= = 32+58×86 22
= = 99+65×34 91
= = 56+89×77 = = 98+55×67 = = 25+67×22 = = 89+78×46 = = 35+49×82 37+43× 44+88× 48+63× 47+99×
= = = = = = = = ,.
89
= = = = = = 58+85×33 49+65×33 79+92×93
= = 39+83×55 49
= = 125+82×37 ×77
= =
196+55×31 ×88
= = 132+12×37 36
= = 89+56×61 = = 152+58×33 = = 198+12×89 = = 250+23×38 = = 88+38×= = 117+58= = 137+22= = 440+13×