
计算下面各题,能简算的要简算.(1)(6.8-5.4)×2.75-0.9(2)3.8×5.6+4.4×3.8(
计算下面各题,能简算的要简算.(1)(6.8-5.4)×2.75-0.9(2)3.8×5.6+4.4×3.8(3)1.24×8.3+8.3×1.76(4)88×0.25×...
计算下面各题,能简算的要简算.(1)(6.8-5.4)×2.75-0.9(2)3.8×5.6+4.4×3.8(3)1.24×8.3+8.3×1.76(4)88×0.25×9.
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(1)(6.8-5.4)×2.75-0.9, =1.4×2.75-0.9, =3.85-0.9, =2.95; (2)3.8×5.6+4.4×3.8, =3.8×(5.6+4.4), =3.8×10, =38; (3)1.24×8.3+8.3×1.76, =(1.24+1.76)×8.3, =3×8.3, =24.9; (4)88×0.25×9, =22×9, =198. |
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