预备班递等式,能巧则巧,1.(+22.59)÷(-9)-(+2.51)2.(-54.3)+6.87+(-45.7)-(+3.13)3.﹣7.938-4.689+2.938 4.(-9.4-9.4-9.4-9.4)×(-2.5)5.﹣3.2×(﹣19.3+6.8)6.(﹣3.84)减(﹣8.43)﹣(﹣4.59)
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![预备班递等式,能巧则巧,1.(+22.59)÷(-9)-(+2.51)2.(-54.3)+6.87+(-45.7)-(+3.13)3.﹣7.938-4.689+2.938 4.(-9.4-9.4-9.4-9.4)×(-2.5)5.﹣3.2×(﹣19.3+6.8)6.(﹣3.84)减(﹣8.43)﹣(﹣4.59)](/uploads/image/z/15107381-53-1.jpg?t=%E9%A2%84%E5%A4%87%E7%8F%AD%E9%80%92%E7%AD%89%E5%BC%8F%2C%E8%83%BD%E5%B7%A7%E5%88%99%E5%B7%A7%2C1.%28%2B22.59%29%C3%B7%EF%BC%88-9%EF%BC%89-%EF%BC%88%2B2.51%292.%EF%BC%88-54.3%EF%BC%89%2B6.87%2B%EF%BC%88-45.7%EF%BC%89-%EF%BC%88%2B3.13%EF%BC%893.%EF%B9%A37.938-4.689%2B2.938+4.%28-9.4-9.4-9.4-9.4%29%C3%97%28-2.5%295.%EF%B9%A33.2%C3%97%EF%BC%88%EF%B9%A319.3%EF%BC%8B6.8%EF%BC%896.%EF%BC%88%EF%B9%A33.84%EF%BC%89%E5%87%8F%EF%BC%88%EF%B9%A38.43%EF%BC%89%EF%B9%A3%EF%BC%88%EF%B9%A34.59%EF%BC%89)
预备班递等式,能巧则巧,1.(+22.59)÷(-9)-(+2.51)2.(-54.3)+6.87+(-45.7)-(+3.13)3.﹣7.938-4.689+2.938 4.(-9.4-9.4-9.4-9.4)×(-2.5)5.﹣3.2×(﹣19.3+6.8)6.(﹣3.84)减(﹣8.43)﹣(﹣4.59)
预备班递等式,能巧则巧,
1.(+22.59)÷(-9)-(+2.51)
2.(-54.3)+6.87+(-45.7)-(+3.13)
3.﹣7.938-4.689+2.938
4.(-9.4-9.4-9.4-9.4)×(-2.5)
5.﹣3.2×(﹣19.3+6.8)
6.(﹣3.84)减(﹣8.43)﹣(﹣4.59)
预备班递等式,能巧则巧,1.(+22.59)÷(-9)-(+2.51)2.(-54.3)+6.87+(-45.7)-(+3.13)3.﹣7.938-4.689+2.938 4.(-9.4-9.4-9.4-9.4)×(-2.5)5.﹣3.2×(﹣19.3+6.8)6.(﹣3.84)减(﹣8.43)﹣(﹣4.59)
1.(+22.59)÷(-9)-(+2.51)=(-2.51)-(+2.51)=-5.02
2.(-54.3)+6.87+(-45.7)-(+3.13)=(-54.3)+(-45.7)+6.87-(+3.13)=-100+3.74=-96.26
3.﹣7.938-4.689+2.938 = ﹣7.938+2.938 -4.689=-5-4.689=-9.689
4.(-9.4-9.4-9.4-9.4)×(-2.5)=(-9.4)×4×(-2.5)=9.4×10=94
5.﹣3.2×(﹣19.3+6.8)=(-3.2)×(-12.5)=0.8×4×12.5=0.8×50=40
6.(﹣3.84)减(﹣8.43)﹣(﹣4.59)=(-3.84)+8.43+4.59=(-3.84)+13.02=9.18