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请简便计算9.8×6.5和0.87×10.1这两道题,谢谢!

简便计算 0.87×10.1 =0.87x(10+0.1) =0.87x10+0.87x0.1 =8.7+0.087 =8.787

解:0.36÷9=0.04, 3.97-2.45=1.52, 16×25=400, 5.2+3.8=9, 8.282÷8.2=1.01, 10-0.87=9.13, 4.3+1.8=6.1, 18.9-9.8=9.1, 0.8÷0.1=8, 0.3+0.36=0.66, 1.14×0.2=0.228, 7.8÷3=2.6, 0.8×15=12, 0.125×8=1, 4-1.08=2.92, 9×1.8=16.2...

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