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b. 6×59+4×59=354+236=590
c. 35-15+80-20=20+80-20=80
d. 2+5×6=2+30=32
e. 440-[30+6(7)]=440-(30+42)=440-72=368
f. 21+[6+2×(2+6)-14]+3=21+(6+16-14)+3=21+8+3=32
g. (3+2-2)+7=3+7=10
h. 17-3+5=19
i. 432+5- {12-(4)+4}=437-12=425
j 19×{[20+15]/7}/5=19×(35/7)/5=19×5/5=19