5.59-3X4.3用递等式怎么写?
2个回答
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解:5.59-3X4.3等于( -731/100 ),【即等于-7.31】
∵已知需求出5.59-3X4.3等于多少
∴5.59 - 3 X 4.3
= (5×100+59)/100 - 3 × (4×10+3)/10
= 559/100 - 3 × 43/10
= 559/100 - 129/10
= 559/100 - 1290/100
= -731/100
= -7.31
答:5.59-3X4.3等于-731/100,【即等于-7.31】
∵已知需求出5.59-3X4.3等于多少
∴5.59 - 3 X 4.3
= (5×100+59)/100 - 3 × (4×10+3)/10
= 559/100 - 3 × 43/10
= 559/100 - 129/10
= 559/100 - 1290/100
= -731/100
= -7.31
答:5.59-3X4.3等于-731/100,【即等于-7.31】
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