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竖式计算25×178=

简单算法就是25*176=176/4*100=4400 25×176 =4,400 176×25 =4,400 176×(100÷4) =4,400 176÷4×100 =4,400

(1)178×46=8188, 178× 46. 1068 712. 8188 (2)408×25=10200, 408× 25 . 2040 816. 10200 (3)37×235=8695, 235× 37. 1645 705. 8695 (4)380×23=8740. 380×23. 114 76.

178÷25=7.12

178÷25=7.12

(1)178×99=17622; (2)167×68=11356; (3)390÷30=13; (4)450÷25=18.

342×55=18810782×39=30498720×42=30240178×46=8188305×52=15860134×57=7638

178×99 &nbsp...(1)178×99=17622; (2)167×68=11356; (3)390÷30=13; (4)450÷25=18.

900÷30 12×40 480÷80 16×6 12×7 420÷60 100×26 2400+300 5600÷70 320+780 90÷18 16×25 480+30 300-25×4 100-72÷8 689×5≈ 5430÷9≈ 3976÷8≈ 2080×4≈ 260×8≈ 25 -15 -80 = 10 -80 = -70 26 -6 -64 = 20 -64 = -44 27 + 3 -48 = 30 -48 = -18 2...

346,244

357+628=985;验算:817-213=604;验算:44÷8=5…4;178×3=534;370÷9=41…1;60÷8=7…4.

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