怎样算简便就怎样算 1.25×32×2.5 3 4 + 1 4 × 4
怎样算简便就怎样算1.25×32×2.534+14×477.38-(1.57+2.38)910+910×9916÷[1÷(35-310)]9315÷23+77....
怎样算简便就怎样算 1.25×32×2.5 3 4 + 1 4 × 4 7 7.38-(1.57+2.38) 9 10 + 9 10 ×99 1 6 ÷[1÷( 3 5 - 3 10 )] 9315÷23+77.
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(1)1.25×32×2.5, =1.25×8×4×2.5, =10×10, =100, (2)
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(3)7.38-(1.57+2.38), =7.38-1.57-2.38, =7.38-2.38-1.57, =5-1.57, =3.43; (4)
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=90; (5)
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(6)9315÷23+77, =405+77, =482. |
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