11.03+11.05+11.01+10.98+10.99+10.94简便运算?
2023-04-27
展开全部
观察题中数字,数字都接近11,那么可以采用尾数法凑整:
11.03+11.05+11.01+10.98+10.99+10.94
=11+11+(0.03+0.05+10.98+10.94)+11+(0.01+10.99)
=11+11+11+11+11+11
=11x6
=66
11.03+11.05+11.01+10.98+10.99+10.94
=11+11+(0.03+0.05+10.98+10.94)+11+(0.01+10.99)
=11+11+11+11+11+11
=11x6
=66
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