脱式计算,能简算的要简算. 97÷1+35.6+0×6 1375+450÷15×25 [4.5+(13× 3 8 +13
脱式计算,能简算的要简算.97÷1+35.6+0×61375+450÷15×25[4.5+(13×38+13×38)]÷5348×916+48×716+48×894.47...
脱式计算,能简算的要简算. 97÷1+35.6+0×6 1375+450÷15×25 [4.5+(13× 3 8 +13× 3 8 )]÷ 5 3 48× 9 16 +48× 7 16 +48×8 94.47-(94.47-86.555) 3.42×76.3+76.3×5.76+9.18×23.7.
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(1)97÷1+35.6+0×6 =97+35.6+0, =132.6; (2)1375+450÷15×25 =1375+30×25, =1375-750, =625; (3)[4.5+(13×
=[4.5+(13×
=[4.5+9.75]÷
=14.25×
=8.55; (4)48×
=(
=9×48, =432; (5)94.47-(94.47-86.555) =94.47-94.47+86.555, =0+86.555, =86.555; (6)3.42×76.3+76.3×5.76+9.18×23.7 =(3.42+5.76)×76.3+9.18×23.7, =9.18×76.3+9.18×23.7, =(76.3+23.7)×9.18, =100×9.18, =918. |
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