9999×7+1111×3748×1.08+1.2×56.818×7/5-5×7/42.5×2.85+0.25÷2/23
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 18:59:56
![9999×7+1111×3748×1.08+1.2×56.818×7/5-5×7/42.5×2.85+0.25÷2/23](/uploads/image/z/5396615-71-5.jpg?t=9999%C3%977%EF%BC%8B1111%C3%973748%C3%971.08%EF%BC%8B1.2%C3%9756.818%C3%977%2F5%EF%BC%8D5%C3%977%2F42.5%C3%972.85%EF%BC%8B0.25%C3%B72%2F23)
9999×7+1111×3748×1.08+1.2×56.818×7/5-5×7/42.5×2.85+0.25÷2/23
9999×7+1111×37
48×1.08+1.2×56.8
18×7/5-5×7/4
2.5×2.85+0.25÷2/23
9999×7+1111×3748×1.08+1.2×56.818×7/5-5×7/42.5×2.85+0.25÷2/23
9999×7+1111×37
=1111×9×7+1111×37
=1111×63+1111×37
=1111×(63+37)
=1111×100
=111100
48×1.08+1.2×56.8
=12×4×1.08+12×5.68
=12×4.32+12×5.68
=12×(4.32+5.68)
=12×10
=120
18×7/5-5×7/4
=7×18/5-7×5/4
=7×(18/5-5/4)
=7×47/20
=329/20
2.5×2.85+0.25÷2/23
=2.5×2.85+0.25×11.5
=2.5×2.85+2.5×1.15
=2.5×(2.85+1.15)
=2.5×4
=10
71141
120
33/19/20
10
1. 71141
2. 120
3. 679/20
4. 10
9999×7+1111×37
=(10000-1)*7+1111*(40-3)
=70000-7+44440-3333
=111100
后面不想写了
9999×7+1111×37
=1111×9×7+1111×37
=1111×(63+37)
=1111×100
=111100
48×1.08+1.2×56.8
=12×4×1.08+12×5.68
=12×(4.32+5.68)
=12×10
=120
18×7/5-5×7/4
=18×7/5-4...
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9999×7+1111×37
=1111×9×7+1111×37
=1111×(63+37)
=1111×100
=111100
48×1.08+1.2×56.8
=12×4×1.08+12×5.68
=12×(4.32+5.68)
=12×10
=120
18×7/5-5×7/4
=18×7/5-4×7/5
=7/5×(18-4)
=7/5×14
=10
2.5×2.85+0.25÷2/23
=2.5×2.85+0.25×11.5
=2.5×2.85+2.5×1.15
=2.5×(2.85+1.15)
=2.5×4
=10
收起
1.111100
2.120
3.