8.29-6.7+2.71-3.6,简便计算
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8.29-6.7+2.71-3.6,=8.29+2.71-6.7-3.6=8.29+2.71-(6.7+3.6)=11-(10+0.3)=11-10-0.3=1-0.3=0.7
咨询记录 · 回答于2022-06-29
8.29-6.7+2.71-3.6,简便计算
8.29-6.7+2.71-3.6,=8.29+2.71-6.7-3.6=8.29+2.71-(6.7+3.6)=11-(10+0.3)=11-10-0.3=1-0.3=0.7
这道题考察加减法运算，第一步移项，第二步加括号，最后一步求解
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