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)
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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)
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