數學小學六年級簡便計算

2025-11-10

一、填空題1．計算1.135+3.346+5.557+7.768+9.979=_____.2.計算1.996+19.97+199.8=_____.3.計算9.8+99.8+999.8+9999.8+99999.8=_____.4.計算6.11+9.22+8.33+7.44+5.55+4.56+3.67+2.78+1.89=_____.5.計算1.1+3.3+5.5+7.7+9.9+11...