550十230x62÷31脱式计算
脱式计算.550+230×62÷31 (58+32)×(84÷6)9.5+4.85-6.1358+7...
脱式计算. 550+230×62÷31 (58+32)×(84÷6) 9.5+4.85-6.13 58+7×15-4 300-2730÷91-70 (59+21)×(96÷6)
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(1)550+230×62÷31
=550+230×(62÷31)
=550+230×2
=550+460
=1010
(2)(58+32)×(84÷6)
=90×14
=1260
(3)9.5+4.85-6.13
=14.39-6.13
=8.26
(4)58+7×15-4
=58+105-4
=159
(5)300-2730÷91-70
=300-30-70
=300-(30+70)
=300-100
=200
(6)(59+21)×(96÷6)
=80×16
=1280
=550+230×(62÷31)
=550+230×2
=550+460
=1010
(2)(58+32)×(84÷6)
=90×14
=1260
(3)9.5+4.85-6.13
=14.39-6.13
=8.26
(4)58+7×15-4
=58+105-4
=159
(5)300-2730÷91-70
=300-30-70
=300-(30+70)
=300-100
=200
(6)(59+21)×(96÷6)
=80×16
=1280
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