0.293乘999加0.235减238等于简算式子

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0.293乘999加0.235减238等于简算式子0.293乘999加0.235减238等于简算式子0.293乘999加0.235减238等于简算式子0.293×999+0.235-238=0.293

0.293乘999加0.235减238等于简算式子
0.293乘999加0.235减238等于
简算
式子

0.293乘999加0.235减238等于简算式子
0.293×999+0.235-238
= 0.293×999+0.293-0.058-238
= 0.293×(999+1)-238.058
= 0.293×1000-238.058
= 293-238.058
= 54.942

54.942