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- 2026-04-27张老师4分钟打了480个字.李老师5分钟打了505个字.张老师比李老师每分钟多打多少个字?
- 2026-04-27快请“( ) 来帮忙.8-6×7 =14 9×6+4=90 4×9-6 =12 6+4×3= 30 9-8×3=3 5+6×2=22
- 2026-04-273×6=+3=-16=×5=
- 2026-04-27我会分步算. (1)52-32+18 = = (2)25-5-7 = = (3)18+6+24 = = (4)13+17-20 = = (5)5×3-7 = = (6)4×5+20 = = (7)8×
- 2026-04-27我会填.4×3=12.12+7=19.→ 4×3+7 =12+7 =19 (1)3×9=27.27-20=7 (2)4×5=20.10+20=30 (3)6×4=24.24+12=36
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