8点3×2点6-8点3×1点6等于几
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解:8点3×2点6-8点3×1点6等于( 83/10 ),【即等于8.3】
∵已知需求出8点3×2点6-8点3×1点6等于几
∴8点3×2点6-8点3×1点6
= 8.3 × 2.6 - 8.3 × 1.6
= (8×10+3)/10 × (2×10+6)/10 - (8×10+3)/10 × (1×10+6)/10
= 83/10 × 26/10 - 83/10 × 16/10
= 83/10 × (26/10 - 16/10)
= 83/10 × 10/10
= 83/10 × 1
= 83/10
= 8.3
答:8点3×2点6-8点3×1点6等于83/10,【即等于8.3】
∵已知需求出8点3×2点6-8点3×1点6等于几
∴8点3×2点6-8点3×1点6
= 8.3 × 2.6 - 8.3 × 1.6
= (8×10+3)/10 × (2×10+6)/10 - (8×10+3)/10 × (1×10+6)/10
= 83/10 × 26/10 - 83/10 × 16/10
= 83/10 × (26/10 - 16/10)
= 83/10 × 10/10
= 83/10 × 1
= 83/10
= 8.3
答:8点3×2点6-8点3×1点6等于83/10,【即等于8.3】
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