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各位帅哥美女,请你们帮个忙
简算
(1)2.4÷0.25
(2)1.9×32×125×0.25
(3)9999×7778+3333×6666
(4)2.6×69.32+138.64×0.05+693.2×0.43
(5)20000÷12.5÷25÷0.8÷4
人气:414 ℃ 时间:2020-06-26 04:50:19
解答
额.(1)2.4÷0.25=9.4(2)1.9×32×125×0.25=1900(3)9999×7778+3333×6666=7772222+22217778=2999000(4)2.6×69.32+138.64×0.05+693.2×0.43=180.232+6.932+268.076=485.24(5)20000÷12.5÷25÷0.8÷4...
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