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92÷4×25脱式计算

原式=23*25 =575

(1)92-14×5,=92-70,=22;(2)7×(44+38),=7×82,=574;(3)76×5÷4,=380÷4,=95;(4)24+62÷2,=24+31,=55.

3.3+5.5+7.7+5.5

92+92×99 =92×(99+1) =92×100 =9200

92.56÷40÷0.25 =92.56÷(40×0.25) =92.56÷10 =9.256

供参考

4.92除以(8.5+ 3.8)列开脱式计算了 4.92÷(8.5+3.8) =4.92÷12.3 =0.4.

92÷5×(15-9) =92÷5×6 =18.4×6 =110.4

(1)6.3÷(5.25×0.8)=6.3÷4.2=1.5;(2)20÷0.8-4÷0.8=25-5=20;(3)92.5×0.25×4 =92.5×(0.25×4)=92.5×1=92.5;(4)6.7×0.9+6.7×0.1=6.7×(0.9+0.1)=6.7×1=6.7.

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