数学好玩-【勤径千里马】2023-2024学年四年级下册数学口算天天练（北师大版）

扫 验算 数学好玩 数学好玩 眼抖音/微信扫码 第1课时 密铺 ★配套答案 ★速算锦粪 (复习小数加减混合) ★数狐游发 ★数学故事 ①6.1+22.6-2= 1⑦2.5+0.98+3.9= 22.7+5.4-3.2= 183.51+9.00-1.56= 39.0-5.9+1.3= 190.41+0.95+2.4= ④2.5+6.4+2.1= 207.40-4.04+1.56= 523.5+3.5-9.3= 215.67-0.73+7= 64.17+2.53-4.5= 228.25+1.55-4= ⑦10.2-8.75+5.22= 235.29+6.33-9.9= 80.4-0.12+5= 245.15-4.79+1.6= 912.16+5.34-7= 2514-3.1-2.47= 1013.18+5.27-4= 263.45+2.55-4.68= 117+5.02-4.5= 2⑦1.76+4.4-3.6= 1223.55+3-4.5= 283.34+4.51-7.45= 1328.32+2.38-2.43= 295.43+3.23-3= 1425.52+0.58-3.33= 304.97+7.29-9.1= 1527-0.8+1.6= 311.93+0.49+2.06= 1622.25+5.23-1.65= 323.55+5.33-1.66= 用时 分钟做错 处自评 我真棒1 再加油1 65 扫 数学好玩 口算天天练·四年级·光师版，下册 尚算 第2课时奥运中的数学 (复习小数加减混合) ①8.60-6.39+3.6= 177.5+4.9-6.5= 26.97-5+4.6= 1836.54-1.76-8.66= 38.70+1.16-0.5= 1925.93+0.19+2.8= ④2.62+3.19-3.6= 201.6-0.78+2= ⑤8.64-7.85+3.4= 215.93+0.49+2.06= ⑥3.90-2.76+2= 2227.9+12-13.4= ⑦3.79-3.47+9= 2323.4+3.4-0.23= 87.42+9.92-1.56= 247.3+2.7-7.3= 98.36-3.72+3.61= 2535.6-1.8-10.1= 101.05+9.02-7.1= 260.76+0.04+0.74= 119.32+3.40-7.7= 2⑦5.84-1.8-3.21= 125.86-1.95+3= 287.14-0.53-2.47= 132.59+9.10-1.98= 2915.2-6.8-3.45= 142.98+3.26+1.67= 306.12-4.03+6.33= 156.35-2.83+6= 311.69+7.89+2.22= 1626.02+3.6+1.98= 327.65-4.65+7.53= 66 用时 分钟做错 处自评我真棒！ 再加油1 扫 数学好玩 数学好玩 第3课时优化 (复习小数加减混合) ①7.2+7.55+2.8+1.45= 1⑦7.5+4.9-6.07= 273.25+2.76+1.75= 1815.1+3-2.76= 35.34-4.26+2.4= 191.27+3.9+0.73= ④21+0.56+11.3= 202.3+2.44-3.2= ⑤0.41+0.95+1.6= 216.8-3.45+4.85= 63.04+5.71+9.01= 228.63+0.3-1.76= ⑦8.49+6.71-2.1= 232.5+8.9-6.5= 8)3.83+9.45-3.5= 248.3+1.2-0.85= 98.53+3.94-3.5= 252.23+5.50-5.78= 107.96+2.29-7.7= 264.94-2.06+3.6= 114.58+5.79-1.59= 2⑦1.79+0.59+2= 126.29+0.67-4.5= 288.28+7.36-1.77= 137.74+1.48+2.3= 295.94-0.36+1.6= 148.76+0.75-5.64= 309-2.45-1.6= 152.80+6.46-5.13= 314.5-1.02+23.4= 167.87+9.72-0.98= 320.5+4.8-3.1= 用时 分钟做错 处自评 我真棒」 再加油1 67四年级·北师版·下细经 数学好玩 ②6.57 1826.12 第1课时 密铺 ③9.36 ⑩28.92 (复习小数加减混合) ④2.21 2.82 ①26.7 ⑦7.38 ⑤4.19 ④8.48 ②4.9 810.95 ⑥3.14 226.5 ③4.4 193.76 ④11 204.92 ⑦9.32 826.57 ⑤17.7 2011.94 815.78 42.7 ⑥2.2 25.8 ⑨8.25 5