如题所述
4.8×2.5-1.2×4的简便运算
=4.8×(2.5-1)
=4.8×1.5
=7.2
=4.8×(2.5-1)
=4.8×1.5
=7.2
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第1个回答 2023-03-16
4.8×2.5-1.2×4
=4.8*2.5-4.8
=4.8*1.5
=2.4*3
=7.2
=4.8*2.5-4.8
=4.8*1.5
=2.4*3
=7.2
第2个回答 2022-11-30
简便计算是直接提取公约数2.4得
原式=2.4x2x2.5-2.4x4
=2.4x(5-4)
=2.4
加油😊!
原式=2.4x2x2.5-2.4x4
=2.4x(5-4)
=2.4
加油😊!
第3个回答 2022-11-30
解
原式=4.8*(2.5-1)
=4.8*1.5
=4.8+2.4
=7.2本回答被网友采纳
原式=4.8*(2.5-1)
=4.8*1.5
=4.8+2.4
=7.2本回答被网友采纳
第4个回答 2022-12-02
4.8×2.5-1.2×4
=1.2×4×2.5-1.2×4
=1.2×(4×2.5-4)
=1.2×6
=7.2
=1.2×4×2.5-1.2×4
=1.2×(4×2.5-4)
=1.2×6
=7.2