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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.

8 9 0 + 7 1 2 = 8 0 1 0

158×21=3318 1 5 8× 2 1 . 1 5 8 3 1 6 3 3 1 8;1020÷34=30 3 0341 0 2 0 1 0 2 0;909÷90=10…9 1 0909 0 9 9 0 9;270×30=8100 2 7 0× 3 0 . 8 1 0 0 ;178÷25=7…3 7251 7 8 1 7 5 3;3735÷45=83 &nbs

178×199 = 35422竖式计算

178÷25=7.12

①②

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.

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

178÷25=7.12

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