①5.2265.23 ② 36.536.50 ③1.25+7.81.1+8
④0.29 ⑤6.9-2.49.6-4.8 ⑥3.7×0.997.8×1.2
4.23+0.5= 6-0.63= 2.1×0×0.1= 5-5×0.4=
0.8×1.1= 0.72= 1.25×10×8= 4.5+5.5×0.1=
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