1.25×3/8+5/8÷0.8(简便计算)
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发布时间:2024-09-30 05:24
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热心网友
时间:2024-10-09 20:41
1.25×3/8+5/8÷0.8
= 1.25×3/8+5/8÷4/5
= 1.25×3/8+5/8×5/4
= 1.25×3/8+5/8×1.25
= 1.25×(3/8+5/8)
= 1.25×1
= 1.25
热心网友
时间:2024-10-09 20:41
1.25×3/8+5/8÷0.8
= 1.25×3/8+5/8÷4/5
= 1.25×3/8+5/8×5/4
= 1.25×3/8+5/8×1.25
= 1.25×(3/8+5/8)
= 1.25×1
= 1.25