88.8x124+2.22x52= 简便运算

mangege2022-10-04 11:39:542条回答

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zz1136 共回答了13个问题 | 采纳率69.2%: 88.8x124+2.22x52
=88.8x124+2.22x40×1.3
=88.8x124+88.8x1.3
=88.8×125.3
=88.8×125+88.8×0.3
=11.1×8×125+26.64
=11.1×1000+26.64
=11100+26.64
=11126.64; 1年前

Z不在回忆共回答了19个问题 | 采纳率: =8.88*1240+8.88*13
=8.88*1250+8.88*3
=1.11*(8*1250)+26.64
=11100+26.64
=11126.64; 1年前

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