15.64减(5.64减2.7)简便计算 4.32乘1.8加2.2乘4.32简便计算168.1除(4.3乘2减0.4)简便计算 6.5乘8加3.5乘8减44简便计算

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15.64减(5.64减2.7)简便计算 4.32乘1.8加2.2乘4.32简便计算168.1除(4.3乘2减0.4)简便计算 6.5乘8加3.5乘8减44简便计算
15.64减(5.64减2.7)简便计算 4.32乘1.8加2.2乘4.32简便计算
168.1除(4.3乘2减0.4)简便计算 6.5乘8加3.5乘8减44简便计算

15.64减(5.64减2.7)简便计算 4.32乘1.8加2.2乘4.32简便计算168.1除(4.3乘2减0.4)简便计算 6.5乘8加3.5乘8减44简便计算
15.64减(5.64减2.7)
=15.64-5.64+2.7
=10+2.7
=12.7
4.32乘1.8加2.2乘4.32
=4.32×(1.8+2.2)
=4.32×4
=17.28
168.1÷(4.3乘2减0.4)
=168.1÷(8.6-0.4)=168.1÷8.2
=20.5
6.5乘8加3.5乘8减44
=(6.5+3.5)×8-44
=10×8-44
=80-44
=36

15.64减(5.64减2.7)
=15.64-5.64+2.7
=10+2.7
=12.7;
4.32乘1.8加2.2乘4.32
=4.32×(1.8+2.2)
=4.32×4
=17.28;
168.1除(4.3乘2减0.4)
=168.1÷(8.6-0.4)
=168.1÷8.2
=20.5;
6.5乘8加3.5乘8减44
=8×(5+3.5)-44
=8×8.5-44
=68-44
=24;