①5.6-0.71-0.29
②14.56-2.99
③6.23-2.36+3.5-0.64
④6.48×99+6.48
⑤6000÷125÷8
⑥15×24×125
546-249= 43.8÷100= 720÷60= 56×78×0=
103×40= 960+80= 5.2÷100×10= 25×11×4=
3.26-1.53+6.74-3.47
99×87
25×16×125
①9.7+22.78-3.4
②6.3+3.7×1.2
③28.5×5.67-8.5×5.67
④12.5×40×2.5×0.8
①126+(63﹣43)×4
②35×(66﹣322÷14)
③315﹣104+65×2
④450÷25+24×5
7880万7.6亿 144÷12432÷36 315÷45315÷5×9 16×99+1516×100