Fill in the placeholder. (5 x 1) 2 tens + 3 ones = _____ tens + 13 ones 7 tens + 4 ones = _____ tens + 14 ones 6 tens + 1 one = 5tens +_____ ones 5 tens = 4 tens + _____ ones 3 tens + 8 ones = _____tens +18 ones.
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Answer:
9 , 6 , 11, 10, 2 .
Step-by-step explanation:
100+3=90+13 , 70+4=60+14, 60+1=50+11, 50=40+10, 30+8=20+18
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