10×0. 1×32=32 (grain)

A: 15 people ate 15 sweets together, and 32 people ate 32 sweets together.

2、 100÷ 100×20÷ 100

=20÷ 100

=0.2 (package)

3+0.5=3.5 (package)

Answer: 20 together are 0.2 packages of screws, and 3 packages of screws and 0.5 packages of screws together are 3.5 packages of screws.

3、8×0. 1+5×0.0 1=0.85

0.85÷0.0 1=85

Answer: 85 blocks of 0.0 1 should be combined.

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