25+4 3 )÷4 1 +4 125 18 ×16 9 +25 7 ×16 9 +16 9 (4 112 5?)6 5? 5 912 512 79 5???6 55 24 53 2???)7 321 49 5(63???23 16 ]4 3)3 12 1(8 5[????( 21×7 3 +7 4 × 21)×4 1 ( 99+10 9 )÷ 95 4 ×6 5 ÷8 515 14 ÷ [(5 4 +3 2 )× 11 10 ] (6 5 +5 4 )× 303 1 + 3÷2 16 5 ×5 6 -10 9 ÷5 9 4- 11 5 - 11 7 8 8 1 × 58+8 1 × 41+8 15 4 ×7 4 ×4 5 -2 15 4 ×6 5 +5 2 ÷5 35 4 ÷[(8 5 -2 1 )÷8 5 ] 235 - 135 ÷ 18 35 × 153 – 0.6 × 53( 45 + 14 )÷ 73 + 7 10 10- 7 19 - 12 19 + 1 19 12× 103 -4 500 ÷ 75 18 ×[ 12 ÷( 35 × 109 )]( 2 15 + 3 11 )× 15× 11 37.5 + 19.5 ÷ 2.5 ×4 605 ÷5 9= 126 × 87= 41× 255= 470 ÷ 18= 7600 ÷2 2= 930 × 66= 9 9200 ÷ 44= 18× 508= 305 × 33= 9600 ÷ 88= 7 500 ÷ 55= 96 00÷ 82= 3.52 ÷ 5.5= 0.957 ÷ 4.65 = 0.4 3÷ 8.6 = 10 28× 2.05 = 0.832 ÷0 .26 = 6.5 × 0.48 = 760 ÷ 91= 240 ÷ 28= 4500 ÷ 57= 123 × 15= 360 ÷ 47= 760 × 24=
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