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Grade four, volume two, sunny classroom of mathematics, oral answers, 32 to 34.
20×2= 40

300×6= 1800

120×3 = 360

420×20 =8400

16×70= 1 120

150×20= 3000

60÷30= 2

80÷20=4

240÷40 =6

2 10÷70=3

400÷50=8

1000÷ 100= 10

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