300+40+1= - 341, 400+60+5 - 465, 800+70+2 - 872, 600+50+8 - 658, 80+8 - 88, 5 hundreds, 4 tens, 8 ones - 548, 7 tens, 4 ones - 74, 3 hundreds, 6 tens, 9 ones - 369, 1 ten, 4 ones - 14, 4 tens, 2 ones - 42,

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