Adding decimals
100

What is 3.841+0.933+5.5.

10.274

200

What is 17.4+3.909+16.83

38.139

300

0.63+0.04+0.15

0.82

400

What is 5.298+0.63+4.04

9.968

500

What is 623.896 -385.721?

238.175

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